GM has issued a preliminary service bulletin that includes the GMC Sierra, Yukon, and Yukon XL nameplates, related to ...

Are the complaints about GMC Sierra’s lifters and transmissions overblown, or are 2020-2023 trucks really the ones to avoid? Hear from real owners as they share the truth behind the controversy—and ...

This is a pretty big upgrade over the 2021 cabin, and clearly the range-topper in GM's truck hierarchy ... To our eyes, the Sierra's more horizontal layout is a bit more modern and perhaps ...

With much of the truck’s underpinnings shared with both the Hummer EV and Silverado EV, the Sierra’s design does a lot of ...

Owners' experience with this brand's dealerships during the purchase and service process make up this rating. Key factors include customer service, dealership facilities, and the quality of work.

Prices shown for the used 2021 GMC Sierra 1500 Crew Cab 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.

Please use care in your use of the information provided. How much horsepower and torque does a 2021 GMC Sierra 3500HD Base Regular Cab Long Box have? The 2021 GMC Sierra 3500HD Base Regular Cab ...