2021 GMC Sierra AT4
VIN
1GTU9EET0MZ285789
This 2021 GMC Sierra AT4 is listed at $27,450 with 149,017 miles in Great Falls, MT.
Market Price Range
Below market
$31,998
Typical price
$37,485
Above market
$42,877
Based on
115
comparable same-build listings.
below market price ($31998)
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 |
|---|---|---|---|---|
| Taylor's Automax Nissan | Great Falls, MT 59405 | $27,450 | 149,017 mi | 2026-07-17 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Taylor's Auto Max | Great Falls, MT 59405 | $61,835 | 15,421 mi | 2022-09-21 |
