2026 GMC Sierra 1500 AT4 Truck I6
- Certified vehicle
- Diesel
The full specifications
- 1st and 2nd row curtain head airbags
- 4-wheel ABS Brakes
- ABS and Driveline Traction Control
- Adaptive cruise control
- Anti-theft alarm system
- Audio System Premium Brand Speakers: Bose
- Audio controls on steering wheel
- Bluetooth wireless phone connectivity
- Braking Assist
- Bucket front seats
- Climate Controlled : Driver and passenger heated
- Compass
- Cruise controls on steering wheel
- Daytime running lights
- Driver seat memory
- Driver's side electrochromatic auto-dimming mirrors
- Dual illuminated vanity mirrors
- Dual reverse tilt mirrors
- Electrochromatic rearview mirror
- Engine block heater
- External temperature display
- Fold-up cushion rear seats
- Front Ventilated disc brakes
- Front and rear reading lights
- Front fog/driving lights
- Fuel Consumption: City: 22 mpg
- Fuel Consumption: Highway: 26 mpg
- Heated driver mirror
- Heated passenger mirror
- Heated steering wheel
- Integrated Navigation System : with voice activation
- Intercooled Turbo
- Leather seat upholstery
- Leatherette steering wheel trim
- Machined aluminum rims w/ painted accents
- Memorized Settings for 2 drivers
- Memorized Settings including door mirror(s)
- Metal-look center console trim
- Metal-look dash trim
- Metal-look shift knob trim
- OnStar
- Passenger Airbag
- Power remote w/tilt down driver mirror adjustment
- Power remote w/tilt down passenger mirror adjustment
- Power retractable mirrors
- Power windows
- Premium GMC Infotainment System
- Privacy glass: Deep
- Radio Data System
- Rear seats center armrest
- Remote Engine Start : Keyfob remote start
- Remote power door locks
- Remote window operation
- Side airbag
- Simulated wood/metal-look door trim
- SiriusXM with 360L AM/FM/Satellite Radio
- SiriusXM with 360L Satellite Radio
- Speed-proportional electric power steering
- Split rear bench
- Stability controll with anti-roll
- Suspension class: Off-road
- Tachometer
- Tilt and telescopic steering wheel
- Total Number of Speakers: 7
- Trailer hitch
- Transmission gear shifting controls on steering wheel
- Trip computer
- Video Monitor Location: Front
- Wheel Diameter: 20
- Wheel Width: 9
Notes from the dealer
Technology Package: Enhances your situational awareness and everyday convenience with an upgraded tech suite that keeps navigation, camera views, and driver info easier to access so long drives and jobsite tasks feel more controlled.
AT4 Premium Package: Raises cabin comfort and refinement with select upgrades that make time behind the wheel quieter and more pleasant, whether commuting or heading off the beaten path.
Preferred Equipment Group 4SB: Combines desirable convenience and entertainment elements to improve in-cab enjoyment without compromising the Sierraâs capability for towing or work.
Black Badging Package: Gives the truck a modern, monochrome look that sharpens its presence and reinforces the AT4âs rugged aesthetic.
AT4 Preferred Package: Adds practical everyday enhancements that simplify chores and make the Sierra more versatile for errands, storage, and climate control.
Smart device integration: Wireless Apple CarPlay and Android Auto let you access navigation, calls, and media without cords, keeping the cabin tidy and your apps conveniently at hand.
Forward collision mitigation: The system constantly monitors traffic ahead and can take action to reduce the chance or severity of a frontal impact, adding confidence on busy roads.
Front pedestrian impact prevention: Helps detect and respond to pedestrians in the vehicleâs path, providing an extra layer of protection in crowded urban environments.
Mobile hotspot: Built-in Wi-Fi keeps passengers connected on the go so work, streaming, and navigation stay online without draining personal data plans.
Ford Blue Certified includes:139 point vehicle inspection performed by an ASE Certified technician 3-month/4,000-mile Comprehensive Limited Warranty coverage that is fully competitive with other online retailers Blue Certification includes 11,000 FordPass Rewards Points For other manufacturers not listed above, Comprehensive Coverage is provided for 3 months or 4,000 miles, whichever comes first, from the signature date of the Ford Blue Advantage â" Blue Certified purchase. Comprehensive Limited Warranty covering 1,000+ components Travel expense reimbursement Rental car reimbursement SiriusXM 3 month trial.
* Transferable Warranty
* 139 Point Inspection
* Roadside Assistance
* Vehicle History
* Limited Warranty: 3 Month/4,000 Mile (whichever comes first) afte
Peace of mind
Vehicle history report
- Title information
- Odometer readings
- Accident data (if applicable)
- Service history
- Vehicle usage
- Recall information (if applicable)
- Warranty status


