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The 2026 GMC Yukon offers several convenient features that can make everyday driving easier. One of them is Remote Mirror Folding, which allows the side mirrors to automatically fold when you lock your vehicle. This feature can be especially useful when parking in a garage, navigating tight parking spaces, or leaving your Yukon in a crowded parking lot. How to Enable Remote Mirror Folding If your GMC Yukon is equipped with power-folding mirrors, follow these steps using the center touchscreen: Open Settings. Tap the Settings icon on your Yukon's infotainment screen. Select Vehicle. Find and open the Vehicle settings menu. Choose Comfort and Convenience. This menu contains several customizable vehicle features. Find Remote Mirror Folding. Scroll until you see the Remote Mirror Folding setting. Turn It On. Select the toggle to enable the feature. Once enabled, your Yukon's mirrors can automatically fold when you lock the vehicle and unfold when you unlock it. Why Use Automatic Folding Mirrors? The feature offers a few everyday benefits: Tight parking spaces: Folded mirrors reduce how far the mirrors extend from the vehicle. Garage parking: Helpful when parking in a garage with limited side clearance. Everyday convenience: No need to manually fold the mirrors each time you park. Keep in mind that this feature requires the appropriate vehicle equipment. Operation may also depend on how the mirrors were previously folded. Learn More About Your GMC Yukon The 2026 GMC Yukon and Yukon XL include several customizable features designed to make daily driving more convenient. At Dave Sinclair Buick GMC in St. Louis, we enjoy helping drivers understand and get more out of their vehicles. Explore our latest GMC Yukon and Yukon XL models, or contact our team to learn more about the features available on individual vehicles.

2026 GMC Yukon XL Denali Ultimate: A Luxury SUV Built for Families The 2026 GMC Yukon XL Denali Ultimate is a large luxury SUV with three rows of seating. It gives families more room than the standard Yukon. It also adds high-end materials, advanced technology and strong performance. The Yukon XL Denali Ultimate may fit shoppers who need: Seating for up to seven people More room behind the third row Premium comfort for long trips Standard four-wheel drive Strong V8 power Advanced driver assistance Luxury features for every row 2026 Yukon XL Denali Ultimate at a Glance Feature Yukon XL Denali Ultimate Passenger capacity Up to 7 Drivetrain Four-wheel drive Standard engine 6.2L V8 Available engine 3.0L Duramax turbo-diesel Transmission 10-speed automatic Maximum cargo room 144.5 cubic feet Infotainment screen 16.8 inches Driver display 11 inches Head-Up Display 15 inches Super Cruise Standard How Much Room Does the Yukon XL Have? The 2026 Yukon XL offers: 41.5 cu. ft. Behind the third row 93.6 cu. ft. Behind the second row 144.5 cu. ft. Behind the first row This space can help carry: Luggage for family trips Sports gear and strollers Golf clubs Groceries Large household items Garage check: The Yukon XL is 225.2 inches long. Buyers should make sure it fits their garage and normal parking spaces. Standard 6.2L V8 Power The Yukon XL Denali Ultimate comes standard with a 6.2L V8 engine. 420 horsepower 460 lb.-ft. of torque 10-speed automatic transmission The V8 gives the Yukon XL confident power for highway driving, passing and carrying a full cabin. A 3.0L Duramax turbo-diesel engine is also available. The diesel may appeal to drivers who prefer diesel torque and longer driving range. Both engines use a 10-speed automatic transmission. A More Comfortable Full-Size SUV A large SUV should feel calm and controlled. The Yukon XL Denali Ultimate includes systems designed to improve its ride. Standard equipment includes: Magnetic Ride Control Air Ride Adaptive Suspension Four-wheel drive Power-retractable assist steps The suspension can adjust as road conditions change. The Air Ride system can also change the vehicle’s height in certain situations. These features help make the Yukon XL easier to enjoy during long family drives. Denali Ultimate Interior Features The Denali Ultimate sits at the top of the Yukon luxury lineup. Its cabin includes a Woodland Mahogany color theme with full-grain leather seating surfaces. Real Paldao wood details add a more upscale look. Standard comfort features include: 16-way power front seats Heated and ventilated front seats Front-seat massage Heated second-row outboard seats Heated leather-wrapped steering wheel Power-sliding center console Panoramic sunroof Three-zone climate control Eight-inch rear climate touchscreen These features give the Yukon XL Denali Ultimate a true luxury-SUV feel. Technology for Drivers and Families The dashboard includes three large displays: 16.8-inch Premium GMC Infotainment System 11-inch Driver Information Center 15-inch Head-Up Display The Head-Up Display places useful information in the driver’s line of sight. Other standard technology includes: Wireless smartphone charging Bose 18-speaker audio system Rear-Seat Media System HD Surround Vision AutoSense power liftgate The Rear-Seat Media System can help keep passengers entertained during long trips. The Bose system provides premium sound throughout the cabin. Standard Super Cruise The Yukon XL Denali Ultimate includes Super Cruise hands-free driver assistance technology. Super Cruise can allow hands-free driving on compatible roads. The system uses cameras, sensors and map data to help control the vehicle. Important: The driver must watch the road and be ready to take control. Super Cruise does not make the vehicle fully self-driving. A connected service plan is required after the included plan ends. Is the Yukon XL Denali Ultimate Good for Families? The Yukon XL Denali Ultimate can be a strong fit for larger families. Its main family benefits include: Three rows of seating Room for up to seven people Adult-friendly passenger space More cargo room behind the third row Rear entertainment screens Separate rear climate controls Power-folding seats Multiple camera views A hands-free power liftgate Second-row captain’s chairs provide a clear path to the third row. They also give second-row passengers more personal space. Can the Yukon XL Denali Ultimate Tow? The Yukon XL is built on a truck-based platform and can tow when properly equipped. The exact towing capacity depends on: Engine Installed trailering equipment Vehicle weight Passenger and cargo weight Trailer configuration Do not choose a towing setup based only on the engine. Check the vehicle’s VIN-specific trailering information before buying or connecting a trailer. Who Should Consider the Yukon XL Denali Ultimate? Consider the 2026 Yukon XL Denali Ultimate if you want: A large three-row luxury SUV More cargo space than the standard Yukon Standard four-wheel drive Strong V8 performance Premium leather and real wood trim Massaging front seats Rear-seat entertainment Advanced suspension technology Standard Super Cruise Space for family travel Drivers who do not need the extra cargo room may prefer the shorter Yukon Denali Ultimate. Buyers who want the most family and luggage space should consider the Yukon XL. Frequently Asked Questions How many people can the Yukon XL Denali Ultimate seat? It can seat up to seven people. It has second-row captain’s chairs and a third-row bench seat. What engine comes standard? A 6.2L V8 is standard. It produces 420 horsepower and 460 lb.-ft. of torque. Is a diesel engine available? Yes. A 3.0L Duramax turbo-diesel engine is available. Is four-wheel drive standard? Yes. The 2026 Yukon XL Denali Ultimate is a four-wheel-drive model. How much cargo space does it have? It provides up to 144.5 cubic feet of cargo room with the second and third rows folded. Does it have Super Cruise? Yes. Super Cruise is standard. It works on compatible roads and requires an attentive driver. Does it have massaging seats? Yes. The 16-way power front seats include a massage feature. Shop the 2026 GMC Yukon XL Denali Ultimate Compare available colors, engines and installed equipment at Dave Sinclair Buick-GMC. Browse Yukon XL Inventory Call (314) 842-4200 Always review the vehicle’s window sticker before buying. Features and availability can vary by vehicle.

The 2026 GMC Sierra 1500 Denali and Denali Ultimate are the luxury-focused Sierra trims, but there are important differences between them. The Denali starts with a 5.3L V8, premium interior materials and 12-way power front seats. The Denali Ultimate steps up to a standard 6.2L V8, Super Cruise, 16-way massaging front seats and additional premium design and technology features. What Comes Standard on the 2026 Sierra 1500 Denali? The 2026 GMC Sierra 1500 Denali uses a 5.3L V8 engine with a 10-speed automatic transmission as its standard powertrain. Key Denali features include: Signature Denali grille with chrome header Chrome wheel-to-wheel assist steps Authentic wood trim Patterned aluminum trim Forge perforated-leather seating surfaces 12-way power front seats with power lumbar The Denali is not limited to its standard engine. GMC lists the 3.0L Duramax Turbo-Diesel as an available powertrain. Is Super Cruise Standard on the Sierra 1500 Denali? No. Super Cruise hands-free driver assistance technology is available on the 2026 Sierra 1500 Denali rather than standard. That distinction becomes important when comparing Denali with Denali Ultimate. What Does Denali Ultimate Add? The 2026 Sierra 1500 Denali Ultimate includes or substitutes several major features over the Denali. Performance & Technology 6.2L V8 with 10-speed automatic transmission Super Cruise hands-free driver assistance technology 12-speaker Bose Premium Series audio system with Centerpoint surround sound Interior & Design Alpine Umber interior with full-grain leather seating 16-way power heated and ventilated front seats with massage Signature Denali Vader Chrome grille 22-inch 7-spoke Ultra-Bright machined aluminum wheels with Bright Chrome accents GMC also lists the 3.0L Duramax Turbo-Diesel as an available Denali Ultimate powertrain. Denali or Denali Ultimate? The regular Denali already gives shoppers the Sierra's Denali design, premium interior materials, power front seats and standard V8 power. Denali Ultimate puts several upgrades into the standard equipment list, especially Super Cruise, the 6.2L V8, massaging front seats, full-grain leather and the 12-speaker Bose system. When comparing actual trucks, check the equipment on the specific vehicle rather than assuming every Denali is configured the same way. Dave Sinclair Buick GMC in St. Louis can help you compare current Sierra 1500 Denali and Denali Ultimate models and find the equipment combination that matters to you.

See what comes with the 2026 GMC Sierra 1500 Elevation Premium Package, including leather seats, Bose audio, Adaptive Cruise Control and more. The 2026 GMC Sierra 1500 Elevation Premium Package adds several comfort, technology, safety and appearance features to the Elevation, including leather-appointed front bucket seats, Bose audio, Adaptive Cruise Control, Hitch View and wireless smartphone charging. It is useful to understand this package because two Sierra 1500 Elevation trucks can have noticeably different interiors and equipment. What Is Standard on the 2026 Sierra 1500 Elevation? The Elevation already includes several upgrades over the lower Sierra trims. GMC lists features including a 13.4-inch Premium GMC Infotainment System with Google built-in compatibility, along with heated front seating and a heated steering wheel as part of the Elevation's equipment. The Elevation also has distinctive exterior details such as a body-color grille header with gloss-black mesh inserts. The standard engine is the TurboMax, which produces 310 horsepower and 430 lb.-ft. of torque and is paired with an 8-speed automatic transmission. Other powertrain choices are available depending on configuration. What Does the Elevation Premium Package Add? GMC lists the following among the key features of the Elevation Premium Package: Comfort & Interior Jet Black leather-appointed front bucket seats Center console Up-level rear-seat storage Wireless smartphone charging Technology & Equipment 7-speaker Bose Premium Audio System with Richbass woofer Adaptive Cruise Control Hitch View Spray-on bedliner with GMC logo 6-inch black rectangular assist steps These features change both the cabin and the everyday equipment compared with a more basic Elevation configuration. Does Every 2026 Sierra 1500 Elevation Have Leather Seats? No. Leather-appointed front seats are not standard equipment on every Elevation. GMC's current build information shows cloth seating with a 40/20/40 split-bench front seat as standard on an Elevation configuration, while the Elevation Premium Package adds Jet Black leather-appointed front bucket seats and a center console. That makes the package especially important to check when comparing Elevation trucks online. What This Means When Shopping for an Elevation Do not assume that every Sierra 1500 Elevation has the same interior simply because the exterior trim name is the same. One Elevation may have the standard bench-seat layout, while an Elevation equipped with the Premium Package can have leather-appointed bucket seats, a center console, wireless charging and additional driver-assistance equipment. When browsing inventory at Dave Sinclair Buick GMC in St. Louis, check each Sierra Elevation's individual equipment or contact the dealership if you are trying to find a particular configuration.

The 2026 GMC Sierra 1500 AT4X AEV Edition is an available version of the AT4X that adds specialized off-road equipment and AEV-specific design details developed with American Expedition Vehicles. It does not replace the AT4X. Instead, it builds on the equipment already included with the AT4X. What Does the Regular Sierra 1500 AT4X Already Have? Before looking at the AEV Edition, it helps to understand the regular AT4X. The 2026 Sierra 1500 AT4X already includes equipment such as: Front and rear electronic-locking differentials Multimatic DSSV dampers 2-inch factory suspension lift AEV stamped-steel front bumper Front winch capability Stamped boron-steel front approach skid plate 16-way heated and ventilated front seats with massage Those features are part of the AT4X itself, not features that require the AEV Edition. What Does the AT4X AEV Edition Add? The AEV Edition builds on that foundation with additional AEV equipment. Protection & Off-Road Equipment AEV stamped-steel front and rear bumpers Front winch capability Five hot-stamped boron-steel AEV skid plates Off-road rocker-panel protectors Wheels & AEV Details AEV racing-inspired Salta wheels with a 12-spoke design AEV exterior badging AEV-branded interior details An optional bolt-on step assist is also offered for use when the truck is not being driven off-road. How Is the AEV Edition Different From a Regular AT4X? The biggest difference is that the regular AT4X already supplies the core off-road equipment, including its electronic-locking differentials and Multimatic DSSV dampers. The AEV Edition adds another layer of specialized protection, bumpers, wheels and AEV-specific details. That distinction is useful when shopping because seeing "AT4X" does not automatically mean the truck has the complete AEV Edition. Is the AT4X AEV Edition a Separate Sierra Trim? GMC presents the AT4X as the trim and the AEV Edition as an available edition of the AT4X. For shoppers, the important question is therefore not simply whether a Sierra is an AT4X. It is whether that specific AT4X is equipped with the AEV Edition. Dave Sinclair Buick GMC in St. Louis can help you identify whether a Sierra 1500 AT4X has the AEV Edition and compare its equipment with a standard AT4X.

The 2026 GMC Sierra 1500 Elevation combines the Sierra's core truck capability with a more distinctive exterior design, a large infotainment display and several comfort features. It also gives shoppers several ways to add engines, seating, technology and off-road equipment. For shoppers researching the Sierra 1500 Elevation, the biggest thing to understand is how much equipment already comes with the trim before adding packages. What Features Come With the 2026 Sierra 1500 Elevation? The Elevation builds on the Sierra 1500 SLE and adds several appearance and capability features. Key Elevation equipment includes: Exterior & Capability High-Capacity Suspension Package Body-color grille header with gloss-black mesh inserts Body-color front and rear bumpers LED fog lamps 20-inch gloss-black painted aluminum wheels Interior & Technology 13.4-inch Premium GMC Infotainment System with Google built-in compatibility Heated driver and front-outboard passenger seats Dual-zone automatic climate control GMC also equips the Elevation with a 12.3-inch Driver Information Center as part of the technology found on the SLE and Elevation. What Engine Comes in the Sierra 1500 Elevation? The TurboMax engine is the standard engine for the 2026 Sierra 1500 Elevation. It produces 310 horsepower and 430 lb.-ft. of torque and is paired with an 8-speed automatic transmission. Elevation shoppers can also find configurations with: 5.3L V8 3.0L Duramax Turbo-Diesel Those engines use 10-speed automatic transmissions in supported configurations. Can You Get Leather Seats in a Sierra 1500 Elevation? Yes. Leather-appointed front seating surfaces are available on the 2026 Sierra 1500 Elevation. GMC also offers available front bucket seats with a center console and wireless charging, giving shoppers another interior configuration to consider. A power sunroof is also available. That makes the Elevation flexible for shoppers who like its blacked-out exterior look but also want additional comfort and technology inside. What This Means for Sierra Elevation Shoppers The Elevation gives shoppers a strong starting point with its large infotainment system, heated front seating, 20-inch black wheels and distinctive exterior treatment. From there, engine choices, seating configurations and available packages let shoppers tailor the truck toward their priorities. Dave Sinclair Buick GMC in St. Louis can help you compare current 2026 GMC Sierra 1500 Elevation trucks and see exactly how each available truck is equipped.

The 2026 GMC Sierra 1500 offers four engine choices across the lineup: TurboMax, a 5.3L V8, a 3.0L Duramax Turbo-Diesel and a 6.2L V8. Which engines you can choose depends on the Sierra trim and configuration. GMC gives shoppers several paths, from the TurboMax-equipped Elevation to Duramax-powered AT4 models and V8-powered Denali trucks. Which Sierra 1500 Trims Offer the TurboMax Engine? The TurboMax engine is offered on: Available Trims Sierra 1500 Pro Sierra 1500 SLE Sierra 1500 Elevation TurboMax Output 310 horsepower 430 lb.-ft. of torque 8-speed automatic transmission For Elevation shoppers in particular, TurboMax is the standard engine. Which Sierra 1500 Trims Offer the 5.3L V8? The 5.3L V8 is offered across several trims, including: Pro SLE Elevation SLT Denali On SLT and Denali, the 5.3L V8 serves as the standard engine. That gives shoppers who prefer V8 power choices spanning several different levels of Sierra equipment and interior finish. Which 2026 Sierra 1500 Trims Offer the 3.0L Duramax? The 3.0L Duramax Turbo-Diesel is available across a wide range of the Sierra 1500 lineup, including: SLE Elevation SLT AT4 AT4X Denali Denali Ultimate The AT4 uses the 3.0L Duramax as its standard powertrain with a 10-speed automatic transmission. The AT4X builds on the AT4 equipment. Where Is the 6.2L V8 Offered? The 6.2L V8 is offered with several higher Sierra trims, including SLT, AT4, AT4X, Denali and Denali Ultimate configurations. It is the standard gasoline engine in the Denali Ultimate, paired with a 10-speed automatic transmission. Which Engine Should You Start With? A useful way to shop is to choose the Sierra trim you like first, then look at the engines offered within that trim. That approach lets you consider the truck's interior, exterior design, technology and capability together instead of treating the engine as a separate decision. Dave Sinclair Buick GMC in St. Louis can help you compare current 2026 Sierra 1500 trucks by trim and engine configuration.

The 2026 GMC Sierra 1500 AT4 comes from the factory with equipment specifically aimed at off-road capability while also including premium interior and technology features. Its standard 3.0L Duramax Turbo-Diesel, 2-inch factory lift, Rancho monotube shocks and two-speed AutoTrac transfer case make the AT4 one of the most distinctive configurations in the Sierra 1500 lineup. What Engine Comes Standard in the Sierra 1500 AT4? The 3.0L Duramax Turbo-Diesel engine with a 10-speed automatic transmission is standard on the 2026 Sierra 1500 AT4. GMC also offers a 6.2L V8 with a 10-speed automatic transmission on the AT4, giving shoppers a gasoline V8 option within the same off-road-focused trim. What Off-Road Equipment Comes With the AT4? Standard AT4 capability equipment includes: Suspension & Clearance 2-inch factory-installed suspension lift Off-road suspension Rancho monotube shocks Traction & Protection Two-speed AutoTrac transfer case Underbody skid plates Hill Descent Control GMC says both the AT4 and AT4X use the 2-inch suspension lift to provide additional clearance for off-road driving. What Is the Interior Like? The AT4 combines its off-road equipment with a premium cabin. The 2026 Sierra 1500 AT4 includes a Jet Black interior with Kalahari accents and heated and ventilated perforated front leather seating surfaces. Technology includes: 13.4-inch Premium GMC Infotainment System Google built-in compatibility 12.3-inch Driver Information Center An available 15-inch multicolor Head-Up Display can add another driver-focused display. What Other Features Come With the AT4? The AT4 also brings together several features useful beyond the trail, including Adaptive Cruise Control, available camera technology and trailering technology depending on equipment. GMC offers up to 14 available camera views in the Sierra 1500 lineup. What This Means for AT4 Shoppers The AT4 is useful to research as a complete package rather than simply as an appearance trim. The factory lift, off-road suspension, Duramax engine, premium seating and large digital displays are all part of what gives it its place in the Sierra lineup. Browse current 2026 GMC Sierra 1500 AT4 trucks at Dave Sinclair Buick GMC in St. Louis or contact our team for help finding a specific AT4 configuration.

Super Cruise hands-free driver assistance technology is available on the 2026 GMC Sierra 1500 Denali and standard on the Denali Ultimate with a three-year OnStar One plan. That makes Super Cruise an important feature to understand when researching the two luxury-focused Sierra 1500 trims. Which 2026 Sierra 1500 Has Super Cruise Standard? The 2026 Sierra 1500 Denali Ultimate includes Super Cruise as standard equipment with a three-year OnStar One plan. Denali Ultimate also comes with several other premium technology and comfort features, including: Comfort & Audio 16-way power heated and ventilated front seats with massage 12-speaker Bose Premium Series audio system with Centerpoint surround sound Driver Displays & Technology 15-inch Head-Up Display 13.4-inch Premium GMC Infotainment System 12.3-inch Driver Information Center GMC describes the Sierra Denali lineup as offering more than 40 inches of combined driver-focused digital displays. Can You Get Super Cruise on the Sierra 1500 Denali? Yes. Super Cruise is available on the 2026 GMC Sierra 1500 Denali. That gives shoppers the ability to select a Denali equipped with the technology while retaining the Denali's own combination of premium materials, 12-way power front seats and signature exterior details. Can Super Cruise Be Used While Trailering? The Sierra 1500 Super Cruise system offered on these models includes trailering capability. GMC notes that some Super Cruise functions have specific limitations while trailering, and drivers should always remain attentive while using the system. An active Super Cruise plan or trial is required. Denali or Denali Ultimate With Super Cruise? Both give shoppers a path to Super Cruise. Denali Super Cruise is available. Denali Ultimate Super Cruise is included as standard equipment with the applicable three-year plan. That makes it easier to filter inventory when Super Cruise is one of your must-have features. Finding a 2026 Sierra 1500 With Super Cruise Dave Sinclair Buick GMC in St. Louis can help you identify 2026 Sierra 1500 trucks equipped with Super Cruise and explain the equipment on a specific vehicle.

The X31 Off-Road Package is an available package for the 2026 GMC Sierra 1500 that adds equipment designed for driving beyond ordinary paved-road use, including an off-road suspension, Hill Descent Control and underbody protection. It is a useful package for shoppers who like trims such as the Sierra 1500 Elevation but want additional factory off-road equipment. What Comes With the 2026 Sierra 1500 X31 Package? GMC lists the X31 Off-Road Package as including: Capability Equipment Off-road suspension Hill Descent Control Underbody skid plates Supporting Equipment Heavy-duty air filter X31 badging These features give the Sierra a more off-road-focused equipment setup while keeping the design and feature set of the trim you selected. Why Is Hill Descent Control Useful? Hill Descent Control is designed to assist with maintaining a controlled descent on steep grades. It works with the truck's braking systems so the driver can focus on steering and positioning the vehicle through a descent. GMC also uses Hill Descent Control as standard equipment on its dedicated AT4 off-road models. What Do the Skid Plates Do? The X31 package includes underbody skid plates, adding protection for components underneath the truck when traveling over uneven terrain. Combined with the off-road suspension and heavy-duty air filter, the equipment gives shoppers an additional factory-built capability option within several Sierra configurations. X31 or Sierra AT4? These represent two different ways to shop for an off-road-oriented Sierra. X31 Off-Road Package The X31 package adds off-road equipment to supported Sierra configurations. Sierra AT4 The AT4 is its own dedicated trim with equipment such as a 2-inch factory lift, Rancho monotube shocks, a two-speed transfer case and standard Duramax power. That means shoppers can start with the overall Sierra trim they prefer and then decide which capability features fit what they plan to do with the truck. Finding a Sierra 1500 With the X31 Off-Road Package Dave Sinclair Buick GMC in St. Louis can help you identify 2026 GMC Sierra 1500 trucks equipped with the X31 Off-Road Package and compare them with other Sierra configurations.

The 2026 GMC Sierra 1500 AT4 and AT4X are premium off-road trucks. Both have standard four-wheel drive, a two-inch factory lift and a Duramax diesel engine. The main difference is their level of off-road equipment. AT4 vs. AT4X at a Glance Feature Sierra AT4 Sierra AT4X Cab Crew Cab Crew Cab Standard engine 3.0L Duramax diesel 3.0L Duramax diesel Available engine 6.2L V8 6.2L V8 Drivetrain Four-wheel drive Four-wheel drive Factory lift 2 inches 2 inches Shocks Rancho monotube Multimatic DSSV Wheels 20-inch 18-inch Tires All-terrain 33-inch mud-terrain Locking differentials No front, but G80 auto rear differential Front and rear e-lockers Head-Up Display Available Standard Massaging front seats Not available Standard Sunroof Available Standard Engine Options Both trucks have the same engine choices. Standard 3.0L Duramax Diesel The 3.0L Duramax turbo-diesel produces: Available 6.2L V8 The available 6.2L V8 produces: Check the window sticker to confirm which engine is installed. What Off-Road Equipment Does the AT4 Include? The Sierra AT4 comes standard with: This equipment makes the AT4 more capable than a standard road-focused Sierra. The AT4 is a strong starting point for shoppers who want off-road hardware without choosing the more specialized AT4X. What Does the AT4X Add? The AT4X includes the AT4’s standard content and adds more advanced off-road equipment. AT4X Off-Road Upgrades The locking differentials are one of the most important differences. They can help send power to the wheels with traction. This is useful during difficult low-speed off-road driving. Rancho Shocks vs. Multimatic DSSV Dampers The AT4 uses Rancho monotube shocks. The AT4X uses Multimatic DSSV dampers. The DSSV system is designed for more advanced control during difficult off-road driving. It is one of the main reasons to move from AT4 to AT4X. Both trucks keep the two-inch factory lift. All-Terrain vs. Mud-Terrain Tires The AT4 has: The AT4X has: The AT4X tire setup is more specialized for difficult terrain. The smaller wheel also allows room for a taller tire sidewall. Shoppers should drive both tire setups before deciding. Tire type can affect road feel, sound and handling. Interior Differences Both trucks have a premium Crew Cab interior. Standard on Both Trucks AT4X Interior Upgrades The AT4X adds: Several of these features are available on the AT4 through packages. They are standard on the AT4X. Technology Differences Sierra AT4 The AT4 includes: The AT4 Technology Package adds: Sierra AT4X The AT4X makes those three features standard. It also includes: Is the AT4X AEV Edition Available? Yes. The AT4X AEV Edition is an available package. It adds equipment such as: This package is aimed at shoppers who want an even more specialized factory off-road truck. Which Truck Should You Choose? Consider the Sierra AT4 if: Consider the Sierra AT4X if: Frequently Asked Questions Do the AT4 and AT4X have the same engine? Both have the 3.0L Duramax diesel standard. Both offer the 6.2L V8. Do both trucks have a factory lift? Yes. Both have a two-inch factory lift. What is the biggest difference between AT4 and AT4X? The AT4X adds Multimatic DSSV dampers, 33-inch mud-terrain tires and locking front and rear differentials. Does the AT4X have massaging seats? Yes. The AT4X has standard 16-way power front seats with massage. Does the AT4 have a Head-Up Display? A 15-inch Head-Up Display is available through the AT4 Technology Package. It is standard on the AT4X. Which truck can tow more? Towing capacity depends on the engine and equipment. Check the truck’s VIN-specific trailering information. Standard and available equipment can vary by vehicle.

What Is the 2026 GMC Sierra 1500 Denali? The 2026 GMC Sierra 1500 Denali is a premium full-size pickup. It combines truck capability with: Premium leather seating Advanced camera technology Adaptive Ride Control Large dashboard displays Denali exterior details Advanced trailering tools Available Super Cruise The Sierra 1500 Denali is offered as a Crew Cab. Two-wheel drive and four-wheel drive configurations are available. 2026 Sierra Denali Engine Options The Sierra 1500 Denali offers three engines. Engine Horsepower Torque Transmission 5.3L V8 355 hp 383 lb.-ft. 10-speed automatic Available 3.0L Duramax diesel 305 hp 495 lb.-ft. 10-speed automatic Available 6.2L V8 420 hp 460 lb.-ft. 10-speed automatic Standard 5.3L V8 The 5.3L V8 is standard. It produces: 355 horsepower 383 lb.-ft. of torque It is paired with a 10-speed automatic transmission and Electronic Precision Shift. Available 3.0L Duramax Diesel The available Duramax produces: 305 horsepower 495 lb.-ft. of torque It provides the most torque of the three Denali engines. Available 6.2L V8 A 6.2L V8 is also available. It produces: 420 horsepower 460 lb.-ft. of torque The 6.2L V8 requires four-wheel drive. What Comes Standard on the Sierra Denali? The Denali builds on the Sierra SLT. It adds premium comfort, design, suspension and safety equipment. Standard Capability 5.3L V8 10-speed automatic transmission Denali Premium Suspension Adaptive Ride Control Heavy-duty air filter Hill Descent Control Trailering Package Trailer brake controller GMC MultiPro tailgate ProGrade Trailering System Four-wheel-drive models also include an AutoTrac two-speed transfer case. Denali Premium Suspension Adaptive Ride Control is standard. The system monitors the road and adjusts the suspension as the truck moves. This helps improve control and ride comfort. It does not change the Sierra into a car. It helps the truck feel more settled during normal driving. Denali Exterior Features The Sierra Denali has its own premium exterior design. Standard features include: Signature Denali chrome grille Chrome exterior accents Body-color front and rear bumpers Chrome recovery hooks Chrome wheel-to-wheel assist steps 20-inch polished aluminum wheels Dual-outlet exhaust with chrome tips Rear CornerStep bumper Spray-on bedliner with GMC logo GMC MultiPro tailgate LED cargo-bed lighting 12 cargo tie-downs Bed-mounted 120-volt power outlet Important: Recovery hooks must never be used to tow another vehicle. Sierra Denali Interior The Denali is offered as a Crew Cab with front bucket seats and a center console. Standard Comfort Features Perforated leather seating surfaces 12-way power front seats Power lumbar support Heated front seats Ventilated front seats Heated rear outboard seats Heated steering wheel Driver-seat and mirror memory Power rake-and-telescoping steering column Power rear-sliding window Dual-zone automatic climate control Universal Home Remote Remote start Keyless Open and Start Premium rear-seat storage Infotainment and Technology Standard Displays 13.4-inch Premium GMC Infotainment System 12.3-inch digital Driver Information Center Standard Connectivity Google built-in compatibility Wireless Apple CarPlay Wireless Android Auto Wireless phone charging Advanced voice recognition Personalized driver profiles Multiple USB ports Bose seven-speaker premium audio system Google built-in services are subject to plan requirements and other limitations. Standard Camera and Safety Technology The Sierra Denali includes GMC Pro Safety and Sierra Safety Plus. GMC Pro Safety Automatic Emergency Braking Following Distance Indicator Forward Collision Alert Front Pedestrian Braking IntelliBeam automatic high beams Lane Keep Assist Lane Departure Warning Sierra Safety Plus Front and Rear Park Assist HD Surround Vision Rear Cross Traffic Braking Rear Pedestrian Alert Safety Alert Seat Trailer Camera Provisions Trailer Side Blind Zone Alert Additional Standard Features Adaptive Cruise Control Enhanced Automatic Emergency Braking Bed View Camera Safety systems assist the driver. They do not replace careful driving. Standard Trailering Technology The ProGrade Trailering System includes: Hitch View In-vehicle trailering app Smart Trailer Integration Indicator The Denali also includes: Trailer brake controller Trailer Camera Provisions Trailer Side Blind Zone Alert Bed View Camera Trailering mirrors, trailer tire sensors and an Auxiliary Trailer Camera are available. Available Denali Packages Technology Package The Technology Package adds: 15-inch Head-Up Display Rear Camera Mirror Denali CarbonPro Edition The CarbonPro Edition includes: CarbonPro carbon-fiber composite bed MultiPro Audio System by KICKER CarbonPro exterior badging Denali Reserve Package The Denali Reserve Package includes: Technology Package Power sunroof MultiPro Power Steps 22-inch wheels Denali Reserve Super Cruise Package This package includes: Technology Package Power sunroof MultiPro Power Steps 22-inch wheels Super Cruise steering wheel Super Cruise with trailering capability Is Super Cruise Available on the Sierra Denali? Yes. Super Cruise is available on properly equipped Sierra 1500 Denali trucks. It provides hands-free driver assistance on compatible roads. The system can also be used while towing on compatible roads. Important limits include: The driver must remain attentive. An active plan or trial is required. Automatic Lane Change is not available while towing. Lane Change on Demand is not available while towing. Super Cruise requires the Technology Package. It is not available with the 5.3L V8. Check the individual truck’s window sticker before presenting Super Cruise as included. Other Available Equipment Depending on the configuration, the Sierra Denali can offer: 3.0L Duramax diesel 6.2L V8 Super Cruise 15-inch Head-Up Display Rear Camera Mirror Power sunroof MultiPro Power Steps CarbonPro bed 22-inch wheels Vertical trailering mirrors Trailer Tire Pressure Monitor Sensors Auxiliary Trailer Camera MultiPro Audio System by KICKER Premium floor liners Rear under-seat storage Who Should Consider the Sierra Denali? The Sierra Denali may fit buyers who want: A premium full-size truck A smooth road-focused suspension Leather seating Heated and ventilated front seats Heated rear seats Advanced camera views Strong trailering technology A choice of gas or diesel power Chrome exterior details Available Super Cruise More luxury without moving to Denali Ultimate Frequently Asked Questions What engine comes standard in the 2026 Sierra Denali? The 5.3L V8 is standard. It produces 355 horsepower and 383 lb.-ft. of torque. Is the Duramax diesel available? Yes. The available 3.0L Duramax produces 305 horsepower and 495 lb.-ft. of torque. Is the Sierra Denali available with four-wheel drive? Yes. Both two-wheel-drive and four-wheel-drive configurations are available. The available 6.2L V8 requires four-wheel drive. Does the Sierra Denali have leather seats? Yes. Perforated leather seating surfaces are standard. Are ventilated seats standard? Yes. Heated and ventilated front seats are standard. Heated rear outboard seats are also standard. Does the Sierra Denali have Adaptive Ride Control? Yes. Denali Premium Suspension with Adaptive Ride Control is standard. Is the MultiPro tailgate standard? Yes. The GMC MultiPro tailgate is standard on the Sierra Denali. Does the Sierra Denali have a Head-Up Display? The 15-inch Head-Up Display is available through the Technology Package. It is not listed as standard. Is Super Cruise standard on the Sierra Denali? No. Super Cruise is available on properly equipped Denali models. It is standard on the separate Denali Ultimate trim. How much can the Sierra Denali tow? The ordering workbook does not provide one towing capacity for every Denali. Capacity changes with the engine, drivetrain and equipment. Check the truck’s VIN-specific trailering information before quoting a number. Shop the 2026 GMC Sierra 1500 Denali in St. Louis Browse our Sierra 1500 Denali inventory to compare engines, drivetrains, colors and packages. Always review the window sticker. Standard and available equipment can vary by vehicle.