2021 GMC Sierra SLT
VIN
1GTU9DED2MZ171280
This 2021 GMC Sierra SLT is listed at $34,372 with 91,814 miles in Collinsville, IL.
Market Price Range
Below market
$29,508
Typical price
$35,567
Above market
$40,347
Based on
76
comparable same-build listings.
below typical price
Market data as of July 27, 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 |
|---|---|---|---|---|
| Laura Buick GMC | Collinsville, IL 62234 | $34,372 | 91,814 mi | 2026-07-18 |
| Laura Buick GMC | Collinsville, IL 62234 | $33,995 | 91,814 mi | 2026-07-18 |
| Laura Buick GMC | 62234 | $33,995 | 91,814 mi | 2026-07-18 |
| Laura Buick GMC | Collinsville, IL 62234 | $34,372 | 91,814 mi | 2026-07-18 |
