2020 GMC Sierra AT4
1GTU9EET9LZ237142
This 2020 GMC Sierra AT4 is listed at $29,275 with 97,793 miles in Washington Twp, MI.
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 10 listing dates for VIN 1GTU9EET9LZ237142, spanning 16 months.
Safety & ownership
EPA fuel economy (MPG)
Model-level data for the 2020 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 |
|---|---|---|---|---|
| Suburban Ford of Romeo | Washington Twp, MI 48095 | $29,275 | 97,793 mi | 2026-08-08 |
| Driveway | Washington, MI 48095 | $29,995 | 97,793 mi | 2026-07-13 |
| Suburban Ford of Romeo | Washington, MI 48095 | $29,275 | 97,793 mi | 2026-05-30 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Suburban Ford of Romeo | Washington Twp, MI 48095 | $30,275 | 97,793 mi | 2026-08-02 |
| Driveway | Washington, MI 48095 | $31,995 | 97,793 mi | 2026-07-13 |
| Suburban Ford of Romeo | Washington, MI 48095 | $30,275 | 97,793 mi | 2026-05-30 |
| Moran Used Car Outlet | Clinton Township, MI 48036 | $36,391 | 89,625 mi | 2025-04-12 |
| — | $38,500 | 89,000 mi | 2025-04-01 |
What would this 2020 GMC Sierra AT4 cost per month?
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