2021 GMC Sierra AT4
1GTU9EET5MZ217763
This 2021 GMC Sierra AT4 is listed at $35,900 with 79,689 miles in Troy, MO.
Market Price Range
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
Price history for this VIN
Asking price over time
Asking prices recorded across 14 listing dates for VIN 1GTU9EET5MZ217763, spanning 3 years 7 months.
Safety & ownership
EPA fuel economy (MPG)
Model-level data for the 2021 GMC Sierra from NHTSA (recalls, NCAP crash tests) and EPA fueleconomy.gov, refreshed July 28, 2026.
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Behlmann Buick GMC | Troy, MO 63379 | $35,900 | 79,689 mi | 2026-05-01 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Behlmann Buick GMC | Troy, MO 63379 | $36,900 | 79,689 mi | 2026-04-30 |
| Baum Chevrolet Buick | Clinton, IL 61727 | $52,790 | 17,685 mi | 2022-12-29 |
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