2020 GMC Sierra SLT
3GTU9DET5LG291287
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
Price dropped $260 (−0.9%) over 13 days.
Asking prices recorded across 5 listing dates for VIN 3GTU9DET5LG291287, spanning 13 days.
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 |
|---|---|---|---|---|
| Eddie Preuitt Ford | Hartselle, AL 35640 | — | 132,926 mi | 2026-07-16 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Eddie Preuitt Ford Inc | Hartselle, AL 35640 | $27,169 | 132,929 mi | 2026-07-29 |
| Eddie Preuitt Ford | 35640 | $27,429 | 132,929 mi | 2026-07-16 |
Estimate the monthly payment at the typical market price ($30,997)
This vehicle is no longer listed, so the estimate starts from $30,997 — 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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