2020 GMC Sierra SLT
VIN
3GTU9DED2LG371686
This 2020 GMC Sierra SLT is listed at $31,172 with 97,735 miles in Lancaster, WI.
Market Price Range
Below market
$28,329
Typical price
$33,965
Above market
$39,997
Based on
310
comparable same-build listings.
below typical price
Market data as of July 26, 2026
Vehicle Decode
- Body
- Pickup
- Engine
- 5.3L · 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 |
|---|---|---|---|---|
| Les Mack Chevrolet Buick | Lancaster, WI 53813 | $31,172 | 97,735 mi | 2026-07-16 |
| Les Mack | Lancaster, WI 53813 | $31,172 | 97,735 mi | 2026-07-15 |
| Les Mack Automotive | Lancaster, WI 53813 | $31,172 | 97,735 mi | 2026-07-15 |
| Les Mack | Lancaster, WI 53813 | $31,172 | 97,735 mi | 2026-07-15 |
| Les Mack Automotive | Lancaster, WI 53813 | $30,973 | 97,735 mi | 2026-07-15 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Richardson Motors | Dubuque, IA 52003 | $36,720 | 72,230 mi | 2025-02-16 |
| — | Dubuque, IA 52003 | $48,980 | 23,000 mi | 2021-04-20 |
| Richardson Motors | Dubuque, IA 52003 | $48,980 | 23,000 mi | 2021-04-15 |
