2021 GMC Sierra Denali
3GTU9FET7MG352944
This 2021 GMC Sierra Denali is listed at $36,998 with 84,087 miles in South Portland, ME.
Market Price Range
Vehicle Decode
- Body
- Pickup
- Engine
- 3.0L · V6 · Diesel
- 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 dropped $2,000 (−5.1%) over 3 months.
Asking prices recorded across 11 listing dates for VIN 3GTU9FET7MG352944, spanning 3 months.
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 |
|---|---|---|---|---|
| CarMax South Portland | South Portland, ME 4106 | $36,998 | 84,087 mi | 2026-05-09 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Carmax South Portland | South Portland, ME 4106 | $37,998 | 84,087 mi | 2026-08-05 |
| CarMax Westborough | Westborough, MA 1581 | $39,998 | 84,072 mi | 2026-05-11 |
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