2021 GMC Sierra AT4
VIN
3GTU9EET0MG383544
This 2021 GMC Sierra AT4 is listed at $37,703 with 89,851 miles in Ferndale, MI.
Market Price Range
Below market
$30,719
Typical price
$35,850
Above market
$43,663
Based on
39
comparable same-build listings.
above typical price
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 |
|---|---|---|---|---|
| Les Stanford Buick GMC | Ferndale, MI 48220 | $37,703 | 89,851 mi | 2026-07-01 |
| Les Stanford Buick GMC | Ferndale, MI 48220 | $35,613 | 89,851 mi | 2026-07-01 |
| Les Stanford Buick GMC | Ferndale, MI 48220 | $35,803 | 89,851 mi | 2026-06-30 |
| Les Stanford Buick GMC | Ferndale, MI 48220 | $35,813 | 89,851 mi | 2026-06-30 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Les Stanford Buick GMC | Ferndale, MI 48220 | $37,713 | 89,851 mi | 2026-07-01 |
| Les Stanford Buick GMC | Ferndale, MI 48220 | $36,513 | 89,851 mi | 2026-07-01 |
| Les Stanford Buick GMC | Ferndale, MI 48220 | $36,413 | 89,851 mi | 2026-07-01 |
| Les Stanford Buick GMC | Ferndale, MI 48220 | $37,703 | 89,851 mi | 2026-06-30 |
| Les Stanford Buick GMC | Ferndale, MI 48220 | $37,713 | 89,851 mi | 2026-06-30 |
| Les Stanford Buick GMC | Ferndale, MI 48220 | $36,513 | 89,851 mi | 2026-06-30 |
| Halladay Motors | Cheyenne, WY 82001 | $60,303 | 15 mi | 2021-06-26 |
| Halladay Motors | Cheyenne, WY 82001 | $59,870 | 15 mi | 2021-06-26 |
