2026 GMC Sierra 1500 AT4

Meet the used 2026 GMC Sierra 1500 AT4: a confident 4WD pickup with just 15,496 miles, Summit White paint, and a Jet Black cabin accented in Kalahari. Its naturally aspirated 6.2-liter V8 delivers 420 hp at 5,600 rpm and 460 lb-ft of torque at 4,100 rpm through a 10-speed automatic. With seating for five and an off-road-focused AT4 setup, this Sierra is ready for work, travel, and trails.

Comfort and capability come together with a tow package, heated front and rear seats, memory seats, and keyless entry with push-button start. Stay connected with Apple CarPlay, Bluetooth, navigation, premium audio, satellite radio readiness, wireless phone charging, and a Wi-Fi hotspot. Adaptive cruise control, lane keep assist, collision warning, a blind spot monitor, cross-traffic alert, and a backup camera add confidence on the road. EPA-estimated fuel economy is 14 mpg city and 17 mpg highway.

2026 GMC Sierra 1500 Safety and Security Features

Rear automatic emergency braking helps respond to hazards while reversing, and a check rear seat reminder prompts drivers to check the back row. A trailer rearview camera system supports towing visibility, complemented by front and rear parking sensors. Additional protection comes from 4-wheel ABS, anti-lockout and auto-locking power door locks, a front camera washer, and a programmable safety key.

2026 GMC Sierra 1500 Entertainment and Technology Features

A 13.4-inch infotainment screen with Google Built-In anchors the cabin’s technology. The system offers myGMC with Connected Access, voice-operated hands-free calling and radio controls, and app-based engine start and cabin preconditioning. A touchscreen radio, one subwoofer, real-time traffic navigation data, and connected app marketplace integration add convenience and entertainment.

2026 GMC Sierra 1500 Performance Features

Auto start/stop helps manage engine operation, while an electronic hi-lo 4WD selector works with part-time four-wheel drive and an on-demand setting. A rear locking differential and off-road-tuned suspension round out the AT4’s trail-ready hardware.

Autos of Dallas, located in Plano / Irving, Texas, endeavors to provide accurate and current information regarding its vehicle inventory. However, there may be occasional errors or omissions. The details and accessories listed for each vehicle may not reflect all items included, and pricing information is subject to change without notice. All inventory is subject to prior sale, and prices are valid only until midnight on the specified date. Prices are based on the state where the dealer is physically located and may vary if the vehicle is transferred to a different state. The dealer disclaims responsibility for inaccuracies and recommends that prospective buyers verify all details in person.

Used vehicles may be subject to manufacturer recalls that have not yet been repaired. Buyers are advised to contact the manufacturer or the dealer for recall information or visit the National Highway Traffic Safety Administration website to obtain current recall updates prior to purchasing.

All vehicles are offered for sale by Autos of Dallas. Listed prices do not include applicable government fees, taxes, finance charges, optional add-ons, or emissions testing costs. The quoted price for each vehicle does not include licensing, registration, taxes, and optional items such as Luxury Package, exterior and interior protection, PermaPlate, CarCheif GPS, transport fees, or insurance.

Nothing herein, including any verbal assurances, representations, or promises, shall be deemed to have been made, implied, or created unless explicitly documented in a signed, written agreement.

All terms, conditions, and warranties regarding the vehicle must be explicitly documented and signed; verbal or email communications do not constitute valid agreements or commitments.

The dealer makes no warranties, expressed or implied, regarding the condition, equipment, or accuracy of the vehicle listing. Any discrepancies or questions must be addressed and clarified prior to the completion of the purchase.

All vehicles have been marked as used by the seller. The listed features and accessories are based on manufacturer descriptions at the time of manufacture. Buyers are encouraged to review photographs for included items such as owner's manuals, extra keys, and maintenance records. All listings include a photograph depicting available accessories and features.