2021 GMC Sierra SLT
VIN
3GTU9DET3MG411119
This 2021 GMC Sierra SLT is listed at $28,921 with 134,843 miles in Montgomery, AL.
Market Price Range
Below market
$29,500
Typical price
$34,979
Above market
$39,964
Based on
98
comparable same-build listings.
below market price ($29500)
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 |
|---|---|---|---|---|
| Mullinax Buick GMC | Montgomery, AL 36117 | $28,921 | 134,843 mi | 2026-07-17 |
| Mullinax Buick GMC | Montgomery, AL 36117 | $28,921 | 134,843 mi | 2026-07-17 |
