2020 GMC Sierra AT4
1GT49PEY8LF279830
This 2020 GMC Sierra AT4 is listed at $49,990 with 73,208 miles in Monument, CO.
Market Price Range
Vehicle Decode
- Body
- Pickup
- Engine
- 6.6L · V8 · 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 $5,000 (−9.1%) over 3 days.
Asking prices recorded across 4 listing dates for VIN 1GT49PEY8LF279830, spanning 3 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 |
|---|---|---|---|---|
| Cool Rides | Monument, CO 80132 | $49,990 | 73,208 mi | 2026-04-24 |
| Cool Rides of Colorado Springs | Monument, CO 80132 | $49,990 | 73,208 mi | 2026-04-23 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Cool Rides of Colorado Springs | Monument, CO 80132 | $50,990 | 73,208 mi | 2026-04-23 |
| Cool Rides | Monument, CO 80132 | $50,990 | 73,208 mi | 2026-04-22 |
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