Part of the AT4 family · 49 for sale · 0 auction results
The median asking price of a GMC Sierra 2500HD AT4 6 1/2 ft is $66,590, across 49 for sale with a median model year of 2025. The 2026, the model year with the most for sale, has a median asking price of $69,990.
Every sale and listing by mileage, the middle 50% of prices and how much 10,000 miles take off.
| 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 AT4 6 1/2 ft is $66,590, across 49 cars for sale in the U.S. Most are priced between $45,640 and $70,590, depending on the model year and mileage. The 2026, the model year with the most for sale, asks a median of $69,990.
Among model years with at least 10 cars for sale, the 2024 GMC Sierra 2500HD AT4 6 1/2 ft asks the least: a median of $62,990 across 13 cars, with a typical 64,004 miles. The 2026 asks $69,990.
The 2026: 15 of the 49 for sale, at a median asking price of $69,990.
The state map, GMC Sierra 2500HD AT4 6 1/2 fts listed below market now, every model year's sales and asking prices, and the latest results.
| 4 Dr SLE HD | 2001–2005 | 6 | $14k |
| 8 ft | 2015–2021 | 6 | $32k |