2021 GMC Sierra SLT
VIN
3GTP8DED9MG138714
This 2021 GMC Sierra SLT is listed at $30,075 with 120,451 miles in Gonzales, LA.
Market Price Range
Below market
$29,980
Typical price
$33,990
Above market
$38,325
Based on
41
comparable same-build listings.
below typical price
Market data as of July 27, 2026
Vehicle Decode
- Body
- Pickup
- Engine
- 5.3L · V8 · Gasoline
- Drive
- 4x2
- 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 |
|---|---|---|---|---|
| Ross Downing GMC of Gonzales | Gonzales, LA 70737 | $30,075 | 120,451 mi | 2026-07-26 |
| Ross Downing Buick GMC | Gonzales, LA 70737 | $30,075 | 120,451 mi | 2026-07-09 |
| Ross Downing GMC Gonzales | Gonzales, LA 70737 | $30,060 | 120,451 mi | 2026-06-14 |
| Ross Downing GMC Gonzales | Gonzales, LA 70009 | — | 120,421 mi | 2026-06-12 |
| Ross Downing GMC of Gonzales | Gonzales, LA 70737 | $30,075 | 120,451 mi | 2026-06-12 |
| Ross Downing GMC Gonzales | Gonzales, LA 70737 | $29,586 | 120,451 mi | 2026-06-12 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Ross Downing GMC of Gonzales | Gonzales, LA 70737 | $30,075 | 120,421 mi | 2026-06-25 |
| Ross Downing GMC Gonzales | Gonzales, LA 70737 | $30,060 | 120,421 mi | 2026-06-15 |
| Ross Downing Buick GMC | 70737 | $30,075 | 120,421 mi | 2026-06-14 |
| Ross Downing GMC Gonzales | Gonzales, LA 70737 | — | 120,421 mi | 2026-06-12 |
| Ross Downing GMC of Gonzales | Gonzales, LA 70737 | $30,075 | 120,421 mi | 2026-06-12 |
| Ross Downing GMC Gonzales | Gonzales, LA 70737 | $29,586 | 120,421 mi | 2026-06-12 |
