2021 GMC Sierra SLT
3GTU9DETXMG330103
This 2021 GMC Sierra SLT is listed at $39,545 with 40,419 miles in Deland, FL.
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 increased $1,247 (+3.2%) over 7 days.
Asking prices recorded across 4 listing dates for VIN 3GTU9DETXMG330103, spanning 7 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 |
|---|---|---|---|---|
| Kaiser GMC | Deland, FL 32720 | $39,545 | 40,419 mi | 2026-08-11 |
| Kaiser GMC Trucks | DeLand, FL 32720 | $39,545 | 40,419 mi | 2026-08-10 |
| Kaiser Buick GMC | Deland, FL 32720 | $38,397 | 40,419 mi | 2026-08-04 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Kaiser GMC | Deland, FL 32720 | $39,645 | 40,419 mi | 2026-08-09 |
| Kaiser Buick GMC | Deland, FL 32720 | $38,497 | 40,419 mi | 2026-08-04 |
What would this 2021 GMC Sierra SLT cost per month?
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