2020 GMC Sierra SLT
VIN
3GTU9DEL6LG332266
This 2020 GMC Sierra SLT is listed at $35,990 with 79,485 miles in Yankton, SD.
Market Price Range
Below market
$28,225
Typical price
$35,850
Above market
$41,945
Based on
72
comparable same-build listings.
above typical price
Market data as of July 27, 2026
Vehicle Decode
- Body
- Pickup
- Engine
- 6.2L · V8 · Gasoline
- 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 |
|---|---|---|---|---|
| Northtown Buick Chevrolet GMC | Yankton, SD 57078 | $35,990 | 79,485 mi | 2026-07-19 |
| Northtown Automotive, Inc | Yankton, SD 57078 | $36,140 | 79,478 mi | 2026-06-22 |
| Northtown Automotive | Yankton, SD 57078 | $36,140 | 79,478 mi | 2026-06-21 |
| Northtown Automotive | Yankton, SD 57078 | $36,140 | 79,478 mi | 2026-06-20 |
| Northtown Automotive | Yankton, SD 57078 | $35,990 | 79,478 mi | 2026-06-20 |
| Northtown Automotive | Yankton, SD 57078 | $36,140 | 79,478 mi | 2026-06-19 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Northtown Buick Chevrolet GMC | Yankton, SD 57078 | $35,990 | 79,361 mi | 2026-06-22 |
| Northtown Automotive, Inc | Yankton, SD 57078 | $36,853 | 79,478 mi | 2026-06-20 |
| Northtown Automotive | Yankton, SD 57078 | $36,853 | 79,478 mi | 2026-06-20 |
| Northtown Automotive | Yankton, SD 57078 | $36,703 | 79,478 mi | 2026-06-20 |
| Northtown Automotive | Yankton, SD 57078 | $36,853 | 79,478 mi | 2026-06-19 |
| Northtown Auto | Yankton, SD 57078 | — | 28,379 mi | 2023-02-18 |
