The 2019 GMC Sierra AT4 proves that GM's upmarket truck and SUV brand is getting serious about offering rough-and-tumble capability to rival the Ford F-150, Toyota Tundra, Ram 1500 and Nissan Titan.

Actual terms vary by lender. Used I have a 2023 GMC Sierra 1500 Denali with the 3.0 Diesel engine. I have 20,000 miles on it at the time of writing this. Never owned a diesel before and now i don ...

Actual terms vary by lender. Used I have a 2023 GMC Sierra 1500 Denali with the 3.0 Diesel engine. I have 20,000 miles on it at the time of writing this. Never owned a diesel before and now i don ...

The folks at Ferrada Wheels are showing off an upgraded GMC Sierra AT4 pickup riding on a set of new Forge-8 FTR9 rollers, adding a custom look to the high-riding off-roader. The truck is featured ...

Equipped as standard for Sierra AT4 models between the 2019 and 2023 model years, this wheel features an intricate spoke pattern that pairs well with the Sierra AT4’s bold exterior, making them ...

These days, GMC offers six vehicles with the AT4 package: three SUVs and three pickups, including the Canyon, Sierra 1500, and Sierra HD (Heavy Duty). While each truck has its own flavor of AT4 ...

Prices shown for the used 2022 GMC Sierra 3500HD Crew Cab AT4 4WD with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit options ...

Prices shown for the used 2022 GMC Sierra 1500 Crew Cab AT4 4WD 6.2L V8 with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit ...