2021 GMC Sierra SLT
1GTU9DET1MZ340776
This 2021 GMC Sierra SLT is listed at $35,498 with 59,866 miles in Jacksonville, 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
Asking price over time
Asking prices recorded across 15 listing dates for VIN 1GTU9DET1MZ340776, spanning 5 years 2 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 |
|---|---|---|---|---|
| COGGIN BUICK-GMC OF ORANGE PARK | Jacksonville, FL 32244 | $35,498 | 59,866 mi | 2026-05-28 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Coggin Chevrolet At The Avenues | Jacksonville, FL 32256 | $35,997 | 59 mi | 2026-07-29 |
| Coggin Buick GMC | Jacksonville, FL 32244 | $38,036 | 59,866 mi | 2026-06-02 |
| COGGIN BUICK-GMC OF ORANGE PARK | Jacksonville, FL 32244 | $35,997 | 59,866 mi | 2026-05-28 |
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