2021 GMC Sierra AT4
VIN
3GTP9EEL3MG355119
Market Price Range
Below market
$32,017
Typical price
$38,110
Above market
$43,834
Based on
112
comparable same-build listings.
Market data as of July 27, 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 |
|---|---|---|---|---|
| Courtesy GMC | Birmingham, AL 35235 | — | 90,299 mi | 2026-07-14 |
| Courtesy GMC | Birmingham, AL 35235 | $38,000 | 90,299 mi | 2026-07-10 |
| Courtesy GMC | Birmingham, AL 35015 | — | 90,299 mi | 2026-05-27 |
| Courtesy GMC, Inc. | Birmingham, AL 35235 | $38,815 | 90,299 mi | 2026-05-23 |
| Courtesy GMC | Birmingham, AL 35235 | $39,000 | 90,299 mi | 2026-05-21 |
| Courtesy GMC, Inc. | Birmingham, AL 35235 | $38,000 | 90,299 mi | 2026-05-21 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Courtesy GMC | Birmingham, AL 35235 | $39,000 | 90,297 mi | 2026-06-09 |
| Courtesy GMC | Birmingham, AL 35235 | $39,000 | 90,299 mi | 2026-06-09 |
| Courtesy GMC | Birmingham, AL 35015 | — | 90,296 mi | 2026-05-27 |
| Courtesy GMC, Inc. | Birmingham, AL 35235 | $38,815 | 90,296 mi | 2026-05-23 |
| Courtesy GMC, Inc. | Birmingham, AL 35235 | $39,815 | 90,297 mi | 2026-05-23 |
| Courtesy GMC, Inc. | Birmingham, AL 35235 | $39,815 | 90,299 mi | 2026-05-23 |
| Courtesy GMC, Inc. | Birmingham, AL 35019 | — | 90,296 mi | 2026-05-21 |
| Courtesy GMC, Inc. | Birmingham, AL 35235 | $38,000 | 90,296 mi | 2026-05-21 |
| Courtesy GMC | Birmingham, AL 35235 | $38,000 | 90,296 mi | 2026-05-21 |
| Courtesy GMC, Inc. | Birmingham, AL 35235 | $40,000 | 90,296 mi | 2026-05-21 |
| Courtesy GMC, Inc. | Birmingham, AL 35235 | $40,000 | 90,297 mi | 2026-05-21 |
| Courtesy GMC | Birmingham, AL 35235 | $39,000 | 90,297 mi | 2026-05-21 |
| Courtesy GMC, Inc. | Birmingham, AL 35235 | $39,000 | 90,297 mi | 2026-05-21 |
| Courtesy GMC, Inc. | Birmingham, AL 35235 | $39,000 | 90,299 mi | 2026-05-21 |
