2010 GMC Sierra Denali Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2010 GMC Sierra Denali
Verified by mechanics, reported by drivers like you
2010 GMC Sierra Denali Problems
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
The steering may develop a clunk type noise from the upper intermediate steering shaft. Our technicians tell us that you should check with you local GM dealer to find out what the latest repair is for this condition.
2010 GMC Sierra Denali Reviews
6.2 liter sounds like a deisel-very noisy. 6 speed trans vibrates in 6th gear. Dealer said they all do that! Still trying to get fixed under warranty. DON'T buy a 2010 Sierra Denali!