2020 GMC Sierra SLT
3GTU9DETXLG109647
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 3 listing dates for VIN 3GTU9DETXLG109647, spanning 3 years 11 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 |
|---|---|---|---|---|
| Harvey Automotive | Mobile, AL 36619 | — | 119,347 mi | 2026-05-31 |
| Harvey Automotive LLC | Mobile, AL 36606 | $28,999 | 119,347 mi | 2026-05-25 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Harvey Automotive | Mobile, AL 36616 | $28,999 | 119,347 mi | 2026-05-31 |
| A J DOHMANN CHEVROLET | BERWICK, LA 70342 | $55,990 | 37,303 mi | 2022-07-13 |
Estimate the monthly payment at the typical market price ($33,700)
This vehicle is no longer listed, so the estimate starts from $33,700 — the typical market price for this build. Move the numbers to match your own loan.
Estimate only. Excludes tax, title, registration and dealer fees, and assumes a fixed-rate loan with equal monthly payments. Your actual rate depends on your credit and lender.
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