2021 GMC Sierra AT4
VIN
3GTP9EEL6MG266502
Market Price Range
Below market
$31,995
Typical price
$38,000
Above market
$43,497
Based on
112
comparable same-build listings.
Market data as of July 26, 2026
Vehicle Decode
- Body
- Pickup
- Engine
- 6.2L · 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 |
|---|---|---|---|---|
| EWING BUICK GMC | Plano, TX 75024 | — | 81,700 mi | 2026-07-25 |
| Ewing Buick GMC | Plano, TX 75024 | $39,819 | 81,700 mi | 2026-07-25 |
| Ewing Buick GMC | Plano, TX 75024 | — | 81,700 mi | 2026-07-24 |
