2026 GMC Sierra AT4

Vehicle Details
2026 GMC Sierra 1500 AT4
Exterior: Coastal Dune
Interior: Jet Black with Kalahari Accents
Engine: 3.0L Duramax Turbo-Diesel I6
Transmission: 10-Speed Automatic

The 2026 GMC Sierra 1500 AT4 combines off-road capability with refined comfort and advanced technology. Its Coastal Dune exterior and Jet Black interior with Kalahari accents create a bold, adventurous look, while the 3.0L Duramax Turbo-Diesel engine delivers impressive torque and towing power for work or weekend adventures.

Performance & Mechanical
Built for rugged terrain, the AT4 features a 2-inch lifted off-road suspension with monotube shocks, skid plates, Hill Descent Control, and All-Terrain tires. The Auto Locking Rear Differential, 2-speed Autotrac transfer case, Stabilitrak with Trailer Sway Control, and Hill Start Assist provide confidence on and off the trail. A 120V bed power outlet, Trailer Brake Controller, and integrated trailer package make towing easier and safer.

Interior & Comfort
Inside, the AT4 offers dual-zone climate control, heated and ventilated front seats, heated rear outboard seats, and premium perforated leather seating surfaces. Driver-focused features include a heated, wrapped steering wheel, power-adjustable seats with memory settings, a power steering column, and a 60/40 folding rear bench with storage package. Premium floor liners and a rear sliding power window add convenience and protection.

Technology & Connectivity
Stay connected and entertained with the 13.4" diagonal GMC Premium Infotainment touchscreen with Google built-in, wireless Apple CarPlay and Android Auto, and a Bose Premium Sound System. Additional tech features include a 12.3" digital driver display, Adaptive Cruise Control, Remote Keyless Open and Start, and an available 15" multi-color Head-Up Display with Bed View Camera.

Safety & Security
GMC Pro Safety comes standard with Forward Collision Alert, Automatic Emergency Braking, Front Pedestrian Braking, Lane Keep Assist with Lane Departure Warning, Following Distance Indicator, IntelliBeam auto high beams, Tire Pressure Monitoring with Tire Fill Alert, and the Safety Alert Seat. Additional protections include Rear Cross Traffic Braking, Reverse Automatic Braking, and more for peace of mind on every drive.

Exterior Highlights
The AT4 exterior includes LED cargo area lighting, GMC MultiPro Tailgate, spray-on bedliner, LED fog lamps, dual exhaust with premium tips, rain-sensing wipers, front recovery hooks, and power-folding heated mirrors—combining style, utility, and rugged capability.

Owner Benefits

3-Year / 36,000-Mile Bumper-to-Bumper Limited Warranty

5-Year / 100,000-Mile Powertrain Limited Warranty

Roadside Assistance & Courtesy Transportation

First Maintenance Visit Included

Why Buy From Country Chevrolet GMC
At Country Chevrolet GMC, we deliver a no-pressure, hassle-free buying experience with vehicles that are hand-selected and thoroughly inspected. Our team helps you find the perfect fit for your lifestyle, backed by local expertise and a commitment to service. Every Sierra AT4 comes with the assurance of quality and reliability you expect from Country Chevrolet GMC.

Equipment
This unit is pure luxury with a heated steering wheel. This unit offers Android Auto for seamless smartphone integration. The leather seats in this model are a must for buyers looking for comfort, durability, and style. This model has auto-adjust speed for safe following. This vehicle features a hands-free Bluetooth phone system. The installed navigation system will keep you on the right path. Start this GMC Sierra from inside with remote start. Lane Keep Assist in this vehicle helps maintain safe driving by gently steering to stay within the lane. See what's behind you with the back up camera on this vehicle. Apple CarPlay: Seamless smartphone integration for this GMC Sierra - stay connected and entertained on the go! The vehicle's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. With the keyless entry system on this unit you can pop the trunk without dropping your bags from the store.

Additional Information
The Country Chevy Advantage Shopping for a used vehicle for sale in KY, especially at Country Chevrolet GMC, offers several lucrative benefits such as: Affordable Features – It can be difficult to afford the premium features of a brand-new model vehicle. However, with a used car purchase, accessories such as sunroofs, leather upholstery, and top-of-the-line navigation systems become that much more affordable. Variety of Options – Regardless of your preferred make, model, model year, condition, price, or trim, our huge used vehicle inventory gives you a much better chance of finding the vehicle you’re looking for. Slower Depreciation – Worried about your new vehicle depreciating as soon as you drive it off our lot? No worries, when buying a used vehicle from Country Chevy, one of the top GMC dealers in KY, much of the depreciation has already occurred before you even purchase. Affordable Upfront Payment – Used car models tend to have lower starting prices than their newer counterparts, as well as lower sales tax, monthly payments, and down payments.