2026 GMC Sierra 1500 AT4X

2026 GMC Sierra 1500 AT4X in SIERRA VISTA, AZ

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The 2026 GMC Sierra 1500 AT4X is built for drivers who refuse to stay on the pavement. With serious off-road hardware, a refined cabin, and cutting-edge technology, this truck delivers a thrilling combination of rugged capability and everyday comfort. Whether you're tackling challenging trails or cruising through Sierra Vista, the AT4X is ready for whatever the road — or the lack of one — brings your way.

Performance

The 2026 GMC Sierra 1500 AT4X comes standard with a Duramax 3.0-liter Turbo-Diesel engine paired with a 10-speed automatic transmission — delivering serious pulling power right out of the gate. For those who want even more, a 6.2-liter V8 engine with a 10-speed automatic transmission is available to amplify the experience.

What truly sets the AT4X apart from the rest of the Sierra 1500 lineup is its exclusive front and rear electronic locking differentials — a combination not offered on any competitor in its class. A factory-installed 2-inch suspension lift, Multimatic DSSV dampers, underbody skid plates, and a two-speed Autotrac transfer case round out a capable off-road package that's engineered to handle demanding terrain with confidence. Max towing capability reaches up to 13,300 pounds when properly equipped.

Interior

Step inside the 2026 Sierra 1500 AT4X and you'll find a cabin that balances toughness with genuine refinement. The distinctive Jet Black interior features red double-needle stitching and ceramic white accents that give the AT4X its own bold identity. Comfort is a priority, with 16-way power heated and ventilated front seats with a massage feature, so even long days on rough terrain don't have to feel punishing.

The Sierra 1500 offers best-in-class standard Crew Cab front head- and legroom, giving everyone on board plenty of breathing room. Smart and ample storage throughout the cabin keeps work supplies or weekend gear organized without crowding the space. The available GMC MultiPro Tailgate adds six functions to the truck bed, extending the AT4X's versatility well beyond the cab.

Technology

The 2026 Sierra 1500 AT4X brings a commanding suite of technology features that keep you informed and in control. Over 40 inches diagonal of combined driver-focused digital displays create a sophisticated, connected cockpit experience. The available 13.4-inch diagonal multicolor touchscreen powers the Premium GMC Infotainment System with Google built-in compatibility, giving you intuitive access to navigation, entertainment, and vehicle settings.

Up to 14 available camera views help you navigate tight spots and manage trailer maneuvers with ease. The available ProGrade Trailering System integrates specialized tools that streamline the hitching and towing process, so you always feel in command. An available 15-inch diagonal multicolor Head-Up Display keeps critical information right in your line of sight, so your eyes never have to leave the terrain ahead.

Safety

The 2026 GMC Sierra 1500 AT4X comes equipped with GMC Pro Safety features — a comprehensive suite of collision-avoidance and driver assistance technologies designed to enhance your awareness on every kind of road. Available systems include Front and Rear Park Assist, HD Surround Vision, and Hill Descent Control, which uses antilock braking technology to help provide a smooth, controlled descent on steep grades.

The truck's available Super Cruise hands-free driver assistance technology — offered on select trims in the Sierra 1500 family — represents the next evolution in confident, long-haul driving. For AT4X owners who explore remote terrain, the combination of off-road hardware and driver assistance tech creates a well-rounded safety net for any adventure.

Trims

The 2026 GMC Sierra 1500 lineup offers eight distinct trims to match a wide range of needs and preferences. The workhorse Pro starts at $38,300, while the well-equipped SLE starts at $48,700. The sport-influenced Elevation adds style starting at $50,500, and the SLT steps up the refinement beginning at $55,100.

Off-road capability takes center stage with the AT4, starting at $67,000, and the supremely capable AT4X, starting at $79,600. The AT4X AEV Edition takes the off-road experience even further for those who demand the most. On the luxury end, the signature Denali starts at $66,100, and the flagship Denali Ultimate — which comes standard with Super Cruise and a 6.2-liter V8 — starts at $84,400. Each trim builds progressively on the last, so there's a Sierra 1500 for every kind of driver.

Explore the 2026 GMC Sierra 1500 AT4X Today

The 2026 GMC Sierra 1500 AT4X is a rare truck that doesn't ask you to choose between off-road prowess and everyday capability. With its exclusive locking differentials, premium cabin materials, and advanced technology suite, it's one of the most complete trucks in its class. Visit us in Sierra Vista to explore the full Sierra 1500 lineup and find the trim that fits your life.

May not represent actual vehicle. (Options, colors, trim and body style may vary)

The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

Effective May 1, 2026 ADVERTISED PRICE.

The advertised price is the total price a consumer pays for the vehicle and includes all dealer-imposed fees and charges. The advertised price may reflect publicly available manufacturer incentives that are offered to all consumers without qualification (for example, general consumer cash rebates). The advertised price excludes only: (i) applicable sales tax; (ii) tag, title, and registration fees; and (iii) other government-imposed charges. See the state-specific disclosures below for the components of the pre-delivery service fee and other dealer fees included in the advertised price.

CONDITIONAL INCENTIVES NOT INCLUDED.

The advertised price does not reflect conditional manufacturer or dealer incentives. Conditional incentives are available only to consumers who meet eligibility requirements and are shown separately on each vehicle’s detail page. Examples include educator, military, first responder, college graduate, lease loyalty, conquest, trade assistance, and incentives conditioned on financing with a specific lender (for example, Cadillac Financial, Ford Credit, GM Financial, and other captive lenders). Not all consumers will qualify. See each vehicle’s detail page, or contact the dealership, for applicable conditional incentives and eligibility terms for which you may qualify.

IN-TRANSIT VEHICLES.

Vehicles identified as “In Transit” are en route to the dealership and not yet available for physical inspection. Estimated arrival dates are approximate and are subject to carrier and manufacturer schedules. The advertised price applies to the vehicle as equipped upon arrival. Availability is not guaranteed; an In-Transit vehicle may be sold before it reaches the dealership.

DEALER-INSTALLED ACCESSORIES.

Any dealer-installed accessories or options present on an advertised vehicle are included in the advertised price. Customers who do not want a particular accessory may discuss options with the dealership at the time of purchase.

INVENTORY ACCURACY.

The dealership updates its inventory regularly. A brief delay may occur between the sale of a vehicle and the removal of its listing. While every reasonable effort has been made to ensure the accuracy of the information on this site, the dealership is not responsible for data entry errors or typographical omissions. Please contact the dealership to confirm the availability and pricing of any specific vehicle.

PRICING ERRORS AND OMISSIONS.

The dealership endeavors to ensure the accuracy of advertised prices. If, as a result of a typographical error, a data feed error, or a third-party vendor error, a vehicle is advertised at a price that is materially lower than the correct price, the dealership reserves the right to correct the error and will promptly notify any consumer who has submitted an inquiry or offer based on the erroneous price. A correction of a good-faith pricing error is not a change to the advertised price. The corrected price is the advertised price from the time of correction forward.

PRICING UPDATES.

Advertised prices reflect the dealership's pricing as of the date of publication. Used vehicle prices are reviewed and updated periodically based on market conditions, including market valuation data such as Manheim Market Report. New vehicle prices may be updated based on changes to manufacturer pricing, manufacturer incentives, or supply conditions. An advertised price will be honored from the date of publication for a period of five days, or until a new price for the same vehicle is published, whichever occurs first. After that period, the dealership may publish an updated price for the same vehicle. The dealership commits to honoring any unexpired advertised price.

VEHICLE IMAGES, FEATURES, AND SPECIFICATIONS.

Vehicle photographs may be stock images and may not depict the actual vehicle. Accessories, colors, and equipment may vary from the images shown. Vehicle features and specifications (including equipment, options, and technical data) are provided by the manufacturer and third-party sources and are believed to be accurate as of the time of publication; the dealership does not independently warrant the accuracy of such manufacturer or third-party data. Consumers should verify the specific features and equipment of any vehicle with the dealership before purchase.

EPA FUEL ECONOMY DATA

Displayed fuel economy ratings are based on EPA estimates. Use for comparison purposes only. Actual mileage will vary based on driving habits, vehicle maintenance, driving conditions, battery pack age and condition (for hybrid and electric models), and other factors.

TEXT MESSAGE CONSENT.

By submitting my cell phone number to the Dealership, I agree to receive text messages and phone calls, which may be recorded and/or sent using automated dialing equipment or software, from Ed Morse Ed Morse GMC - Sierra Vista in SIERRA VISTA and its affiliates, unless I opt out of such communications. Consent to be contacted is not a requirement to purchase any product or service, and I may opt out at any time. I agree to pay my mobile service provider’s text messaging rates, if applicable.

STATE-SPECIFIC FEE DISCLOSURES

The following discloses the components of the advertised price for each state in which the Ed Morse dealerships operate. The listed pre-delivery service fees and other dealer fees are included in the advertised price. Sales tax, tag, title, registration fees, and other government-imposed charges are not included in the advertised price.

ARIZONA.

Seller documentary and administrative fee of $199.50 and prep fee of $389.00.

FLORIDA.

Pre-delivery service fee of $999.00; Private Tag Agency Fee of $98.00; and Electronic Registration Filing Fee of $199.75.

ILLINOIS.

Documentary fee of $299.00 (Ed Morse Ford Red Bud; Ed Morse Chevrolet GMC Red Bud; Ed Morse Chrysler Dodge Jeep Ram New Athens); $377.00 (Ed Morse Chevrolet GMC Kewanee, Ed Morse Chrysler Dodge Jeep Ram Kewanee); $377.63 (Ed Morse Ford Geneseo), $358.03 (Ed Morse Chevrolet Savanna).

IOWA.

Documentary fee of $180.00 ($179.00 at Porsche Des Moines).

MISSOURI.

Administrative fee of $399.00 ($299.00 at Ed Morse Kia Rolla).

TEXAS.

Documentary fee of $225.00

OKLAHOMA.

Documentary fee of $489.00