114 for sale · 7 auction results · latest Apr 7, 2026
The median asking price of a GMC Sierra 3500 SLT is $41,745, across 114 for sale with a median model year of 2019. The 2022, the model year with the most for sale, has a median asking price of $51,299.
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 Dually 4×4 Duramax | 2005 | — | — |
The state map, GMC Sierra 3500 SLTs listed below market now, every model year's sales and asking prices, and the latest results.