Test drive Used 2021 GMC Sierra 2500 Denali at home from the top dealers in your area. Search from 274 Used GMC Sierra 2500 cars for sale ranging in price from $43,591 to $129,999.

Save up to $14,031 on one of 8,828 used 2021 GMC Sierra 2500HDs near you. Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools.

GMC offers the 2500HD with an optional 6.6-liter V8 Duramax Turbo-Diesel, which provides 445 horsepower and 910 lb-ft of torque. That engine provides a slightly reduced maximum payload …

Use the CARFAX search as one important tool, along with a vehicle inspection and test drive, to make a better decision about your next used car.

Jan 30, 2025 · The prices here reflect what buyers are currently paying for used 2021 GMC Sierra 2500 models in typical condition when purchasing from a dealership. These prices are …

Learn the ins and outs about the used 2021 GMC Sierra 2500 HD Crew Cab Denali 4WD. Find information on performance, specs, engine, safety and more.

Diesel powertrain is quick and smooth, helpful trailer-assist technology, more tactile steering than rivals. Lower max tow ratings than rivals, Denali interior is inferior to luxury rivals, fewer...

Used GMC Sierra 2500 Denali for sale on carmax.com. Search used cars, research vehicle models, and compare cars, all online at carmax.com

Spend a little extra cash, and you can score a Duramax 6.6-liter turbodiesel V-8 working with an Allison 10-speed automatic. The burly oil-burner generates 445 hp and a stump-pulling 910 lb …