2021 GMC Sierra HD GMC Sierra HD 2021
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See repairs for all GMC Sierra HD model years.

2021 GMC Sierra HD 4-door

turbocharged 8-cylinder diesel automatic 4WD

GMC in Alabama, United States
Mar 2021 - Sep 2023
Jun 2023

35000 mi		 Steering wheel seemed loose and could feel bumps through the steering wheel, especially at low speeds. Replaced intermediate steering shaft. 

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2021 GMC Sierra HD Repair Histories

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2021 GMC Sierra HD problems occur, check out our car reliability stats.