35 for sale · 9 auction results · latest Jun 29, 2026
The median asking price of a GMC Sierra SLT is $37,849, across 35 for sale with a median model year of 2024. The 2025, the model year with the most for sale, has a median asking price of $37,548.
Over the last three years, 8 sold at auction for a median of $29,700. Their median model year is 2017, against 2024 for the cars for sale: these are older cars, not a guide to what a GMC Sierra SLT for sale costs today. Compare prices by model year in the chart above.
Where GMC Sierra 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.
| MY | Class | Powertrain | MPG (comb.) | EV range | Engine | Fuel / yr |
|---|---|---|---|---|---|---|
| 2026 | Special Purpose Vehicle 2WD, Special Purpose Vehicle 4WD | Diesel · FFV · Gas | 15–25 | — | 2.7–6.2 L | $3,350–$5,500 |
| 2025 | Special Purpose Vehicle 2WD, Special Purpose Vehicle 4WD | Diesel · FFV · Gas | 15–26 | — | 2.7–6.2 L | $3,550–$5,500 |
| 2024 | Special Purpose Vehicle 2WD, Special Purpose Vehicle 4WD | Diesel · FFV · Gas | 15–25 | — | 2.7–6.2 L | $3,350–$5,500 |
| 2023 | Special Purpose Vehicle 2WD, Special Purpose Vehicle 4WD | Diesel · FFV · Gas | 15–26 | — | 2.7–6.2 L | $3,350–$5,500 |
| 2022 | Special Purpose Vehicle 2WD, Special Purpose Vehicle 4WD | Diesel · FFV · Gas | 14–26 | — | 2.7–6.2 L | $3,350–$5,850 |
| 2021 | Special Purpose Vehicle 2WD, Special Purpose Vehicle 4WD | Diesel · FFV · Gas | 14–26 | — | 2.7–6.2 L | $3,200–$5,150 |
| 2020 | Special Purpose Vehicle 2WD, Special Purpose Vehicle 4WD | Diesel · FFV · Gas | 15–26 | — | 2.7–6.2 L | $3,200–$4,850 |
| 2019 | Special Purpose Vehicle 2WD, Special Purpose Vehicle 4WD | FFV · Gas | 15–21 | — | 2.7–6.2 L | $3,200–$4,850 |
| 2018 | Special Purpose Vehicle 2WD, Special Purpose Vehicle 4WD |
The state map, GMC Sierra SLTs listed below market now, every model year's sales and asking prices, and the latest results.
| C3500 SLE |
| 1988–1995 |
| — | — |
| C20 | 1967–1984 | 4 | $7k |
| FFV · Gas · Hybrid |
| 17–20 |
| — |
| 4.3–6.2 L |
| $3,350–$4,850 |
| 2017 | Special Purpose Vehicle 2WD, Special Purpose Vehicle 4WD | FFV · Gas · Hybrid | 17–20 | — | 4.3–6.2 L | $3,350–$3,950 |
| 2016 | Special Purpose Vehicle 2WD, Special Purpose Vehicle 4WD | FFV · Gas · Hybrid | 17–20 | — | 4.3–6.2 L | $3,350–$3,950 |
| 2015 | Special Purpose Vehicle 2WD, Special Purpose Vehicle 4WD | FFV · Gas | 17–20 | — | 4.3–6.2 L | $3,350–$3,950 |
| 2014 | Standard Pickup Trucks 2WD, Standard Pickup Trucks 4WD | FFV · Gas | 17–20 | — | 4.3–6.2 L | $3,350–$3,950 |
| 2013 | Standard Pickup Trucks 2WD, Standard Pickup Trucks 4WD | FFV · Gas · Hybrid | 14–21 | — | 4.3–6.2 L | $3,200–$4,800 |