2021 GMC Sierra SLT
VIN
3GTU9DET1MG105584
This 2021 GMC Sierra SLT is listed at $34,900 with 104,840 miles.
Market Price Range
Below market
$28,981
Typical price
$34,897
Above market
$39,959
Based on
99
comparable same-build listings.
above typical price
Market data as of July 26, 2026
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
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Mandal Buick GMC | 39540 | $34,900 | 104,840 mi | 2026-07-15 |
| Mandal Buick GMC Inc. | D'lberville, MS 39540 | $35,325 | 104,840 mi | 2026-07-14 |
| Mandal Buick GMC | D'Iberville, MS 39540 | — | 104,840 mi | 2026-07-12 |
| Mandal Buick GMC | D'Iberville, MS 39540 | $34,900 | 104,840 mi | 2026-07-12 |
| Mandal Buick GMC | D'Iberville, MS 39540 | $35,325 | 104,840 mi | 2026-07-11 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Mandal Buick GMC | D'Iberville, MS 39540 | — | 104,840 mi | 2026-07-12 |
