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GM Authority4d

Here May Be Why Your GMC Sierra EV Or Hummer EV Has Reduced Power

Some GMC Sierra EV and GMC Hummer EV owners may encounter various warning messages related to reduced propulsion power.
Torque News3d

My 2020 GMC Sierra Denali’s Paint is Just Peeling Off Like Wallpaper, I Took It To GM But They Don’t Care, So Now I’m Out of Pocket With It

A 2020 GMC Sierra Denali owner's paint is peeling off faster than anyone can imagine. He tried a wrap, but that made it worse ...

3.0L Duramax Problems: Here's What Owners Report Most Often

The 3.0L Duramax has been under the hood of quite a few GM models, but it's not perfect. Here are the most common reported ...
Torque News5d

My 2020 Sierra 5.3L’s Low Engine Oil Light Came On 77,000 Miles In, the GMC Dealer is Calling It A Complete Engine Failure, and It’s a $10K-$15K Job

A 2020 GMC Sierra 1500 owner reports a complete engine failure at 77k miles, despite regular dealer service. The owner is questioning whether other 2020 5.3L engine owners have experienced similar ...
MotorBiscuit2d

‘It feels like driving over gravel’ Here’s how to fix this rough Chevy Silverado problem

His truck would suddenly start riding extremely rough, like he was constantly in gravel. He took his Silverado to the ...