Disclaimer: The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
1Dealer Discount applied to everyone
Excludes $899 Document Fee and $98 Electronic Document Fee.
Meet the 2026 GMC Sierra 1500 AT4, a premium diesel-powered truck built for capability and comfort. This white AT4 combines the rugged design you demand with the advanced technology and luxury appointments that make every drive exceptional. Powered by a 3.0L turbocharged diesel engine with 10-speed automatic transmission and 4WD, this Sierra delivers 22 city and 26 highway MPG impressive efficiency for a full-size truck.
- Power sunroof
- Premium Bose 7-speaker sound system with SiriusXM
- Technology package with navigation system
- Engine block heater
- AT4 premium package with heated and ventilated front seats
- All-weather floor liners with AT4 logo
- Black sport step and body-color wheel arch moldings
- Apple CarPlay and Android Auto with wireless connectivity
- HD surround vision with bed view camera and rear camera mirror
- Hitch guidance with integrated trailer brake controller
This truck is equipped with advanced driver assistance features including automatic emergency braking, lane keep assist, forward collision alert, and rear cross-traffic braking to keep you confident on every journey. The AT4 premium package adds genuine luxury with heated rear seats, leather trim, and a power passenger seat adjuster. All-weather floor liners protect your investment, while the spray-on bedliner ensures durability for years to come.
Visit us today to experience the superior capability and refined comfort of the 2026 GMC Sierra 1500 AT4.


