2021 GMC Sierra SLT
VIN
3GTP8DED8MG109463
This 2021 GMC Sierra SLT is listed at $30,371 with 120,814 miles in Covington, LA.
Market Price Range
Below market
$30,075
Typical price
$33,990
Above market
$38,325
Based on
41
comparable same-build listings.
below typical price
Market data as of July 26, 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 |
|---|---|---|---|---|
| Rainbow Northshore GMC | Covington, LA 70433 | $30,371 | 120,814 mi | 2026-07-23 |
| Rainbow Northshore GMC | Covington, LA 70433 | $29,980 | 120,814 mi | 2026-07-23 |
| Rainbow Northshore GMC | Covington, LA 70433 | $30,371 | 120,815 mi | 2026-07-21 |
| Rainbow Northshore Buick GMC | Covington, LA 70434 | $29,980 | 120,814 mi | 2026-06-19 |
| Rainbow Northshore GMC | Covington, LA 70434 | $30,899 | 120,798 mi | 2026-06-17 |
| Rainbow Northshore GMC | Covington, LA 70433 | $29,980 | 120,815 mi | 2026-06-17 |
| Rainbow Northshore GMC | Covington, LA 70433 | $30,371 | 120,815 mi | 2026-06-11 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Rainbow Northshore GMC | Covington, LA 70433 | $30,785 | 120,814 mi | 2026-07-19 |
| Rainbow Northshore GMC | Covington, LA 70433 | $31,176 | 120,814 mi | 2026-07-09 |
| Rainbow Northshore GMC | Covington, LA 70433 | $31,176 | 120,815 mi | 2026-07-04 |
| Rainbow Northshore GMC | Covington, LA 70433 | $31,290 | 120,814 mi | 2026-07-03 |
| Rainbow Northshore GMC | Covington, LA 70433 | $2,021 | 120,814 mi | 2026-07-02 |
| Rainbow Northshore GMC | Covington, LA 70433 | $30,899 | 120,814 mi | 2026-06-30 |
| Rainbow Northshore GMC | Covington, LA 70433 | $31,290 | 120,815 mi | 2026-06-30 |
| Rainbow Northshore Buick GMC | Covington, LA 70434 | $30,899 | 120,798 mi | 2026-06-19 |
| Rainbow Northshore Buick GMC | Covington, LA 70434 | $30,899 | 120,814 mi | 2026-06-19 |
| Rainbow Northshore Buick GMC | Covington, LA 70434 | $30,785 | 120,814 mi | 2026-06-19 |
| Rainbow Northshore GMC | Covington, LA 70434 | — | 120,798 mi | 2026-06-17 |
| Rainbow Northshore GMC | Covington, LA 70433 | — | 120,798 mi | 2026-06-17 |
| Rainbow Northshore GMC | Covington, LA 70433 | $30,899 | 120,798 mi | 2026-06-17 |
| Rainbow Northshore GMC | Covington, LA 70433 | $30,899 | 120,815 mi | 2026-06-17 |
| Rainbow Northshore GMC | Covington, LA 70433 | $30,785 | 120,815 mi | 2026-06-17 |
| Rainbow Northshore GMC | Covington, LA 70433 | $30,899 | 120,815 mi | 2026-06-10 |
| Rainbow Northshore GMC | Covington, LA 70433 | $31,176 | 120,815 mi | 2026-06-10 |
