2021 GMC Sierra AT4
VIN
1GTP9EED7MZ393767
This 2021 GMC Sierra AT4 is listed at $40,102 with 47,228 miles in Robstown, TX.
Market Price Range
Below market
$30,868
Typical price
$37,999
Above market
$43,995
Based on
75
comparable same-build listings.
above typical price
Market data as of July 27, 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 |
|---|---|---|---|---|
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $40,102 | 47,228 mi | 2026-07-23 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $40,327 | 47,238 mi | 2026-07-08 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $40,327 | 46,317 mi | 2026-06-03 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $40,102 | 46,321 mi | 2026-06-01 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $40,327 | 47,228 mi | 2026-05-29 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $40,102 | 46,321 mi | 2026-07-22 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $40,102 | 46,319 mi | 2026-07-13 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $41,102 | 46,317 mi | 2026-07-09 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $40,327 | 46,317 mi | 2026-07-08 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $40,327 | 46,319 mi | 2026-07-08 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $40,327 | 47,228 mi | 2026-07-08 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $40,327 | 46,321 mi | 2026-07-08 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $41,327 | 46,317 mi | 2026-06-28 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $41,625 | 46,317 mi | 2026-06-23 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $42,625 | 46,317 mi | 2026-06-03 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $41,327 | 46,317 mi | 2026-06-03 |
| Group 1 GMC Coastal Bend | Robstown, TX 78104 | — | 46,316 mi | 2026-06-02 |
| Group 1 GMC Coastal Bend | Robstown, TX 78104 | $42,625 | 46,316 mi | 2026-06-02 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $42,625 | 46,316 mi | 2026-06-02 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | — | 46,316 mi | 2026-06-02 |
| Group 1 GMC Coastal Bend | Robstown, TX 78341 | $42,625 | 46,317 mi | 2026-06-02 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $42,625 | 46,318 mi | 2026-06-02 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $42,625 | 46,318 mi | 2026-06-02 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $42,625 | 46,317 mi | 2026-06-02 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $42,400 | 46,316 mi | 2026-06-01 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | — | 46,316 mi | 2026-06-01 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $42,400 | 46,318 mi | 2026-06-01 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $42,400 | 46,317 mi | 2026-06-01 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $41,400 | 46,317 mi | 2026-06-01 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $41,102 | 46,317 mi | 2026-06-01 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $40,102 | 46,319 mi | 2026-06-01 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $42,625 | 46,316 mi | 2026-05-29 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $41,625 | 46,317 mi | 2026-05-29 |
| Group 1 GMC Coastal Bend | Robstown, TX 78380 | $41,327 | 46,317 mi | 2026-05-29 |
