Used GMC Sierra 2500HD
Heavy-duty three-quarter-ton · 17 listings · max towing 18,500 lb · max payload 3,979 lb
The GMC Sierra 2500HD on the used market
Heavy-duty GMC variant of the Silverado 2500HD. Same L5P Duramax, same Allison 10-speed (2020+), upscale interior trim and Denali availability are the differentiators.
Denali Duramax 2500s in the 80,000–130,000 mile band represent the upscale HD value play.
Available trims
Browse by model year
Click into any year for engine specs, towing/payload, fuel economy, common issues, and the used market value range for that model year.
Engine options across model years
| From model year | Available powertrains |
|---|---|
| 2020+ | 6.6L L8T V8 Gas · 6.6L L5P Duramax Diesel V8 |
Common issues to inspect for
- Same Duramax service concerns as Silverado 2500HD
- Allison 10-speed service interval critical
- Denali interior leather wear on heavy-use trucks
Where the inventory is
Featured Sierra 2500HD listings
| Year & Trim | Body | Miles | Price | State |
|---|---|---|---|---|
| 2016 Denali Ultimate 6.6L L8T V8 Gas |
Extended Cab | 141,479 mi | $13,314 | Indiana |
| 2017 SLT 6.6L L8T V8 Gas |
Regular Cab | 144,659 mi | $16,469 | Minnesota |
| 2015 Denali Ultimate 6.6L L8T V8 Gas |
Regular Cab | 123,108 mi | $12,789 | Oregon |
| 2020 AT4 6.6L L8T V8 Gas |
Extended Cab | 93,323 mi | $29,517 | South Carolina |
| 2022 Denali Ultimate 6.6L L5P Duramax Diesel V8 |
Regular Cab | 70,257 mi | $31,158 | Utah |
| 2023 Pro 6.6L L5P Duramax Diesel V8 |
Regular Cab | 54,021 mi | $45,185 | Utah |
| 2015 AT4 6.6L L5P Duramax Diesel V8 |
Crew Cab | 123,639 mi | $13,155 | Michigan |
| 2018 SLT 6.6L L5P Duramax Diesel V8 |
Crew Cab | 105,108 mi | $22,022 | New York |
| 2022 SLT 6.6L L8T V8 Gas |
Extended Cab | 42,088 mi | $30,807 | North Carolina |
| 2016 Denali Ultimate 6.6L L8T V8 Gas |
Extended Cab | 114,704 mi | $14,730 | New York |
| 2022 AT4 6.6L L5P Duramax Diesel V8 |
Crew Cab | 63,117 mi | $37,809 | Texas |
| 2017 SLT 6.6L L5P Duramax Diesel V8 |
Crew Cab | 94,685 mi | $17,786 | Arizona |
| 2020 SLE 6.6L L8T V8 Gas |
Crew Cab | 67,327 mi | $27,187 | Colorado |
| 2017 AT4 6.6L L8T V8 Gas |
Crew Cab | 124,762 mi | $15,646 | Florida |
| 2022 AT4 6.6L L8T V8 Gas |
Regular Cab | 49,131 mi | $37,109 | Kansas |
| 2023 Denali Ultimate 6.6L L5P Duramax Diesel V8 |
Regular Cab | 41,035 mi | $41,115 | Montana |
| 2016 SLE 6.6L L5P Duramax Diesel V8 |
Regular Cab | 85,713 mi | $12,322 | Tennessee |
Buying a used GMC Sierra 2500HD — what to know
The Sierra 2500HD sits in the heavy-duty three-quarter-ton segment, where competition is fierce and used pricing varies widely by configuration, mileage, and region. The single biggest variable on used pricing is powertrain — diesel-engined trucks of any year typically command a 15–30% premium over equivalent gas trucks, even after accounting for the higher fuel cost per mile. Use the year-by-year breakdown above to confirm which powertrains were even available in the model year you are shopping.
Trim level matters next. The trim ladder for the Sierra 2500HD runs from work-spec base trims (vinyl seats, rubber floors, manual windows on older years) up through luxury-class top trims with leather, large infotainment, advanced driver assists, and air suspension. The depreciation curve on top trims is steeper than on mid-range trims, which makes 4–6 year old top-trim trucks an unusually strong used value. A 5-year-old top-trim Sierra 2500HD often costs less than a new mid-trim version with comparable mileage and far less equipment.
Mileage matters but mileage type matters more. A high-mileage Sierra 2500HD that lived a highway-commuter life is often a better long-term bet than a low-mileage truck that sat in city traffic and short trips its whole life. Ask the seller about usage patterns. Get the answer in writing if it influences your offer. And whatever the seller tells you, verify with a third-party pre-purchase inspection before signing.