350 for sale · 1 auction results · latest Jul 27, 2026
The median asking price of a GMC Sierra 2500 SLT is $46,266, across 350 for sale with a median model year of 2021. The 2025, the model year with the most for sale, has a median asking price of $63,687.
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 H/D | 2003–2008 | 6 | $14k |
| MY | Class | Powertrain | MPG (comb.) | EV range | Engine | Fuel / yr |
|---|---|---|---|---|---|---|
| 2000 | Standard Pickup Trucks 2WD | Gas | 12–15 | — | 5.3–6 L | $4,450–$5,600 |
| 1999 | Standard Pickup Trucks 2WD | Gas | 12–15 | — | 5.3–6 L | $4,450–$5,600 |
| 1998 | Standard Pickup Trucks 2WD | Diesel · Gas | 14–15 | — | 5–6.5 L | $4,450–$6,400 |
| 1997 | Standard Pickup Trucks | Diesel · Gas | 15 | — | 5–6.5 L | $4,450–$6,400 |
| 1996 | Standard Pickup Trucks | Diesel · Gas | 13–16 | — | 5–6.5 L | $4,450–$6,000 |
| 1995 | Standard Pickup Trucks, Standard Pickup Trucks 4WD | Diesel · Gas | 12–19 | — | 4.3–6.5 L | $3,950–$6,850 |
| 1994 | Standard Pickup Trucks, Standard Pickup Trucks 2WD | Diesel · Gas | 12–19 | — | 4.3–6.5 L | $3,950–$6,400 |
| 1993 | Standard Pickup Trucks, Standard Pickup Trucks 2WD | Diesel · Gas | 12–17 | — | 4.3–6.2 L | $3,950–$5,650 |
| 1991 | Standard Pickup Trucks 4WD | Diesel | 18 | — | 6.2 L | $5,300 |
The median asking price of a GMC Sierra 2500 SLT is $46,266, across 350 cars for sale in the U.S. Most are priced between $8,050 and $72,983, depending on the model year and mileage. The 2025, the model year with the most for sale, asks a median of $63,687.
Among model years with at least 10 cars for sale, the 2015 GMC Sierra 2500 SLT asks the least: a median of $25,440 across 20 cars, with a typical 144,686 miles. The 2026 asks $69,819.
The 2025: 65 of the 350 for sale, at a median asking price of $63,687.
The state map, GMC Sierra 2500 SLTs listed below market now, every model year's sales and asking prices, and the latest results.