Used 2021 GMC Sierra 3500HD Crew Cab for Sale

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2021 GMC Sierra 3500HD Review

Consumer Reviews for the GMC Sierra 3500HD

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Great truck for towing!

Nick Odenath, 09/02/2023

2021 GMC Sierra 3500HD AT4 4dr Crew Cab 4WD LB (6.6L 8cyl 6A)

This truck is a beast when it comes to towing our 12k lbs fifth wheel. It is comfortable for the family on long trips and the tech inside is great!

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