2021 GMC Sierra SLT
VIN
3GTU9DET6MG171967
This 2021 GMC Sierra SLT is listed at $31,944 with 89 miles in Brookings, SD.
Market Price Range
Below market
$28,995
Typical price
$34,897
Above market
$39,995
Based on
101
comparable same-build listings.
below 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 |
|---|---|---|---|---|
| Brookings Auto Mall | Brookings, SD 57006 | $31,944 | 89 mi | 2026-07-25 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,193 | 89,768 mi | 2026-07-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,193 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $31,695 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | 57006 | $31,695 | 89,041 mi | 2025-12-12 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Brookings Auto Mall | Brookings, SD 57006 | $32,193 | 89,041 mi | 2026-07-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $31,895 | 89 mi | 2026-07-10 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,393 | 89,041 mi | 2026-07-10 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,144 | 89,041 mi | 2026-06-25 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,244 | 89,041 mi | 2026-06-24 |
| Brookings Auto Mall | Brookings, SD 57006 | $31,995 | 89 mi | 2026-06-23 |
| Brookings Auto Mall | Brookings, SD 57006 | $31,995 | 89,041 mi | 2026-06-07 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,495 | 89,041 mi | 2026-01-28 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,495 | 89,041 mi | 2026-01-28 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,495 | 89,041 mi | 2026-01-28 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,495 | 89,041 mi | 2026-01-28 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,495 | 89,041 mi | 2025-12-13 |
| Brookings Auto Mall | Brookings, SD 57006 | $31,995 | 89,041 mi | 2025-12-13 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,995 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,995 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,995 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,995 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,995 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,995 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,995 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,995 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,995 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,495 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,495 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,495 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,495 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,495 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $31,995 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $31,895 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $31,895 | 89,041 mi | 2025-12-12 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,995 | 89,041 mi | 2025-12-11 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,995 | 89,041 mi | 2025-12-11 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,995 | 89,041 mi | 2025-12-11 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,995 | 89,041 mi | 2025-12-11 |
| Brookings Auto Mall | Brookings, SD 57006 | $32,144 | 89,041 mi | 2025-12-11 |
