2020 GMC Sierra Denali
3GTU9FET3LG438735
This 2020 GMC Sierra Denali is listed at $27,988 with 100,463 miles in Whitefish, MT.
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 increased $1,587 (+5.7%) over 9 months.
Asking prices recorded across 9 listing dates for VIN 3GTU9FET3LG438735, spanning 9 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 |
|---|---|---|---|---|
| Don K Chevrolet | Whitefish, MT 59937 | $27,988 | 100,463 mi | 2026-02-20 |
| Don "K" Chrysler Dodge Jeep Ram | Whitefish, MT 59937 | $27,988 | 100,463 mi | 2026-02-20 |
| Don K. Dealerships | Whitefish, MT 59937 | $28,575 | 100,463 mi | 2025-09-18 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Don K Chrysler Dodge Jeep Ram | Whitefish, MT 59937 | $30,572 | 100,463 mi | 2026-06-04 |
| Don K Subaru | Whitefish, MT 59937 | $34,998 | 100,463 mi | 2026-02-19 |
| Hirning Buick GMC | 83201 | $34,900 | 100,416 mi | 2025-09-20 |
| Hirning Buick GMC | Pocatello, ID 83201 | $34,900 | 100,416 mi | 2025-09-20 |
| Don K. Dealerships | Whitefish, MT 59937 | $29,575 | 100,463 mi | 2025-09-18 |
What would this 2020 GMC Sierra Denali cost per month?
Estimate the monthly payment on a $27,988 vehicle. 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.
Watch the price on this model
Prices move every week. We'll email you when the typical asking price for a 2020 GMC Sierra moves 3% or more — no account, one-click unsubscribe.
We only email you about this vehicle's price. Unsubscribe from any message.
