2021 GMC Sierra AT4
3GTP9EEL0MG359144
This 2021 GMC Sierra AT4 is listed at $31,990 with 103,928 miles in East Windsor, CT.
Market Price Range
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
Price history for this VIN
Price increased $29,969 (+1482.9%) over 6 days.
Asking prices recorded across 2 listing dates for VIN 3GTP9EEL0MG359144, spanning 6 days.
Safety & ownership
EPA fuel economy (MPG)
Model-level data for the 2021 GMC Sierra from NHTSA (recalls, NCAP crash tests) and EPA fueleconomy.gov, refreshed July 28, 2026.
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Century Auto & Truck Center | East Windsor, CT 6088 | $31,990 | 103,928 mi | 2026-08-16 |
| Century Auto and Truck | East Windsor, CT 6088 | — | 103,928 mi | 2026-08-09 |
| Century Auto and Truck Center | East Windsor, CT 6088 | — | 103,928 mi | 2026-08-09 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Century Auto & Truck Center | East Windsor, CT 6088 | $2,021 | 103,928 mi | 2026-08-10 |
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