2021 GMC Sierra AT4
VIN
1GTU9EET5MZ318527
This 2021 GMC Sierra AT4 is listed at $37,999 with 67,797 miles in Boston, NY.
Market Price Range
Below market
$32,000
Typical price
$37,485
Above market
$42,995
Based on
111
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 |
|---|---|---|---|---|
| Cappellino Chevrolet | Boston, NY 14025 | $37,999 | 67,797 mi | 2026-06-15 |
| Cappellino Chevrolet | Boston, NY 14025 | $37,999 | 67,797 mi | 2026-06-15 |
| Cappellino Chevrolet | Boston, NY 14025 | $37,999 | 67,797 mi | 2026-04-14 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Cappellino Chevrolet | Boston, NY 14025 | $37,999 | 67,797 mi | 2026-04-20 |
| Cappellino Chevrolet | Boston, NY 14025 | $61,935 | 67,797 mi | 2026-04-16 |
| Cappellino Chevrolet | Boston, NY 14025 | $37,999 | 67,797 mi | 2026-04-15 |
| Cappellino Chevrolet | Boston, NY 14025 | $37,999 | 67,797 mi | 2026-04-14 |
| Cappellino Chevrolet | Boston, NY 14025 | $37,999 | 67,797 mi | 2026-04-14 |
| Cappellino Buick GMC | Williamsville, NY 14221 | $37,667 | 67,797 mi | 2026-04-09 |
| Cappellino Buick GMC | Buffalo, NY 14221 | $43,942 | 67,797 mi | 2026-03-30 |
| Cappellino Buick GMC | Williamsville, NY 14221 | $37,767 | 67,797 mi | 2026-03-21 |
| Cappellino Buick GMC | Williamsville, NY 14221 | $43,942 | 67,797 mi | 2026-03-13 |
| Cappellino Buick GMC | Williamsville, NY 14221 | $43,942 | 67,797 mi | 2026-03-11 |
| Cappellino Buick GMC | Williamsville, NY 14221 | $37,867 | 67,797 mi | 2026-03-11 |
| Cappellino Buick GMC | Williamsville, NY 14221 | $37,867 | 67,797 mi | 2026-03-11 |
| Cappellino Buick GMC | Williamsville, NY 14221 | $36,967 | 67,791 mi | 2026-01-22 |
| Cappellino Buick GMC | Williamsville, NY 14221 | $36,967 | 67,791 mi | 2026-01-21 |
| Cappellino Buick GMC | Williamsville, NY 14221 | $36,967 | 67,791 mi | 2026-01-21 |
| Cappellino Buick GMC | Williamsville, NY 14221 | $36,967 | 67,791 mi | 2026-01-21 |
| Cappellino Buick GMC | Williamsville, NY 14221 | $36,967 | 67,797 mi | 2026-01-21 |
| Cappellino Buick GMC | Williamsville, NY 14221 | $36,967 | 67,797 mi | 2026-01-16 |
| Cappellino Buick GMC | Williamsville, NY 14221 | $37,567 | 67,791 mi | 2026-01-03 |
| Mike Smith Buick GMC Inc. | Lockport, NY 14094 | $56,490 | 11 mi | 2021-05-13 |
