2021 GMC Sierra SLT
VIN
3GTU9DED2MG179119
This 2021 GMC Sierra SLT is listed at $39,481 with 44 miles in Cumberland, MD.
Market Price Range
Below market
$29,995
Typical price
$36,750
Above market
$42,206
Based on
239
comparable same-build listings.
above typical price
Market data as of July 26, 2026
Vehicle Decode
- Body
- Pickup
- Engine
- 5.3L · V8 · Gasoline
- Drive
- 4WD/4-Wheel Drive/4x4
- Doors
- 4
- Made by
- GENERAL MOTORS LLC
Safety
- ✗ Backup camera
- ✗ Blind-spot monitor
- ✗ Lane departure
- ✗ ABS
- ✗ Electronic stability
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Thomas Hyundai | Cumberland, MD 21502 | $39,481 | 44 mi | 2026-07-25 |
| Thomas Buick GMC | Johnstown, PA 15904 | $38,991 | 44,018 mi | 2026-06-18 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Thomas Hyundai | Cumberland, MD 21502 | $39,981 | 44 mi | 2026-07-12 |
| Thomas Hyundai | Cumberland, MD 21502 | $40,481 | 44 mi | 2026-07-04 |
| Thomas Buick GMC | Johnstown, PA 15904 | $39,991 | 44,016 mi | 2026-06-18 |
| Thomas Buick GMC | Johnstown, PA 15904 | — | 44,016 mi | 2026-06-18 |
| Thomas Buick GMC | Johnstown, PA 15904 | $39,991 | 44,018 mi | 2026-06-18 |
| Thomas Buick GMC | Johnstown, PA 15904 | $39,991 | 44,018 mi | 2026-06-18 |
| Thomas Buick GMC | Johnstown, PA 15904 | $39,491 | 44,018 mi | 2026-06-18 |
| Thomas Buick GMC | Johnstown, PA 15904 | $39,291 | 44,018 mi | 2026-06-18 |
| — | $46,141 | 29 mi | 2024-05-12 | |
| Thomas Buick - GMC Truck | Johnstown, PA 15904 | $46,141 | 29,354 mi | 2024-05-12 |
