2020 GMC Sierra AT4
VIN
3GTU9EET0LG308521
This 2020 GMC Sierra AT4 is listed at $31,496 with 102,699 miles in Attleboro, MA.
Market Price Range
Below market
$29,918
Typical price
$34,158
Above market
$39,927
Based on
43
comparable same-build listings.
below 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 |
|---|---|---|---|---|
| Courtesy Mitsubishi | Attleboro, MA 2703 | $31,496 | 102,699 mi | 2026-07-19 |
| Courtesy Mitsubishi | Attleboro, MA 2861 | $28,997 | 102,695 mi | 2026-07-07 |
| Courtesy Mitsubishi | Attleboro, MA 2703 | $28,997 | 102,695 mi | 2026-07-07 |
| Courtesy Mitsubishi | Attleboro, MA 2703 | $28,997 | 102,699 mi | 2026-07-07 |
| Courtesy Mitsubishi | Attleboro, MA 2703 | $28,997 | 102,699 mi | 2026-07-07 |
| Courtesy Mitsubishi | Attleboro, MA 2703 | $28,997 | 102,699 mi | 2026-07-03 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Courtesy Mitsubishi | Attleboro, MA 2703 | $31,496 | 102,695 mi | 2026-07-11 |
| Courtesy Mitsubishi | Attleboro, MA 2703 | — | 102,695 mi | 2026-07-07 |
| Courtesy Mitsubishi | Attleboro, MA 2703 | $28,997 | 102,695 mi | 2026-07-07 |
| Courtesy Mitsubishi | Attleboro, MA 2703 | $28,997 | 102,695 mi | 2026-07-07 |
| Courtesy Mitsubishi | Attleboro, MA 2703 | $28,997 | 102,695 mi | 2026-07-03 |
| Portsmouth Chevrolet | Portsmouth, NH 03801 | — | 83,902 mi | 2024-09-10 |
| LeadCar Buick GMC Utica, LLC | UTICA, NY 13502 | $47,527 | 50,016 mi | 2022-12-21 |
| LeadCar Buick GMC Utica | Utica, NY 13502 | $47,527 | 50,016 mi | 2022-12-21 |
| Portsmouth Chevrolet | Portsmouth, NH 03801 | — | 83 mi | 1970-01-01 |
