2021 GMC Sierra AT4
VIN
1GTU9EET6MZ203659
This 2021 GMC Sierra AT4 is listed at $39,468 with 59,897 miles in Milton, WI.
Market Price Range
Below market
$31,999
Typical price
$37,550
Above market
$42,998
Based on
117
comparable same-build listings.
above typical price
Market data as of July 27, 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 |
|---|---|---|---|---|
| Jon Green Family Auto | Milton, WI 53563 | $39,468 | 59,897 mi | 2026-07-23 |
| Jon Green Family Auto | Milton, WI 53563 | $38,979 | 59,897 mi | 2026-07-21 |
| Jon Green Family Auto | Milton, WI 53563 | $39,468 | 59,897 mi | 2026-07-16 |
| Jon Green Family Auto | Milton, WI 53563 | $39,387 | 59,910 mi | 2026-07-16 |
| Jon Green Family Auto | Milton, WI 53563 | $39,387 | 59,897 mi | 2026-07-14 |
| Jon Green Family Auto | Milton, WI 53563 | $38,979 | 59,897 mi | 2026-07-14 |
| JON GREEN FAMILY AUTO | MILTON, WI 53563 | $38,979 | 59,910 mi | 2026-07-14 |
| Jon Green Family Auto | Milton, WI 53563 | $38,979 | 59,910 mi | 2026-07-14 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| JON GREEN FAMILY AUTO | MILTON, WI 53563 | $38,979 | 59,897 mi | 2026-07-14 |
| Jon Green Family Auto | Milton, WI 53563 | $38,979 | 59,897 mi | 2026-07-14 |
