1,105 for sale · 8 auction results · latest Dec 24, 2025
The median asking price of a GMC Sierra 2500HD SLT is $46,786, across 1,105 for sale with a median model year of 2022. The 2025, the model year with the most for sale, has a median asking price of $65,718.
Over the last three years, 6 sold at auction for a median of $17,950. Their median model year is 2004, against 2022 for the cars for sale: these are older cars, not a guide to what a GMC Sierra 2500HD SLT for sale costs today. Compare prices by model year in the chart above.
Where GMC Sierra 2500HD SLT auction prices are heading, quarter by quarter.
Every sale and listing by mileage, the middle 50% of prices and how much 10,000 miles take off.
| Trim | Years | For sale | Median ask |
|---|---|---|---|
| SLT 6 1/2 ft | 2011–2026 | 27 | $48k |
| SLT Duramax 4×4 | 2003–2019 | — | — |
| SLT 8.1L 4×4 | 2001–2005 | — | — |
| SLT 4×4 | 2001–2005 | — | — |
| SLT HD | 2003 | 1 | $9.8k |
| SLT Ext. | 2012 | 1 | $12k |
| MY | Class | Powertrain | MPG (comb.) | EV range | Engine | Fuel / yr |
|---|---|---|---|---|---|---|
| 2005 | Standard Pickup Trucks 2WD, Standard Pickup Trucks 4WD | CNG · Gas | 9–11 | — | 6 L | $5,150–$6,100 |
The median asking price of a GMC Sierra 2500HD SLT is $46,786, across 1,105 cars for sale in the U.S. Most are priced between $10,995 and $69,463, depending on the model year and mileage. The 2025, the model year with the most for sale, asks a median of $65,718. Cars sold at auction over the last three years were mostly older (a median model year of 2004, against 2022 for those for sale) and sold for a median of $17,950, so they are not a guide to today's asking prices.
Among model years with at least 10 cars for sale, the 2008 GMC Sierra 2500HD SLT asks the least: a median of $16,445 across 18 cars, with a typical 182,760 miles. The 2026 asks $67,249.
The 2025: 184 of the 1,105 for sale, at a median asking price of $65,718.
The state map, GMC Sierra 2500HD SLTs listed below market now, every model year's sales and asking prices, and the latest results.
