2020 GMC Sierra SLT
VIN
3GTU9DED3LG333240
This 2020 GMC Sierra SLT is listed at $45,999 with 42,808 miles in Flagstaff, AZ.
Market Price Range
Below market
$28,388
Typical price
$33,898
Above market
$39,995
Based on
302
comparable same-build listings.
above market price ($39995)
Market data as of July 26, 2026
Vehicle Decode
- Body
- Pickup
- Engine
- 5.3L · V8 · Gasoline
- Drive
- 4WD/4-Wheel Drive/4x4
- Doors
- 4
- Made by
- GENERAL MOTORS LLC
Safety
- ✓ Backup camera
- ✓ Blind-spot monitor
- ✓ Lane departure
- ✓ ABS
- ✓ Electronic stability
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Oxendale GMC | Flagstaff, AZ 86011 | $45,999 | 42,808 mi | 2026-04-14 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| OXENDALE GMC | Flagstaff, AZ 86001 | $50,997 | 42,796 mi | 2026-04-14 |
| OXENDALE GMC | Flagstaff, AZ 86001 | $50,997 | 42,808 mi | 2026-04-14 |
| Oxendale GMC | Flagstaff, AZ 86003 | $50,997 | 42,796 mi | 2026-04-14 |
| Oxendale GMC | Flagstaff, AZ 86003 | $50,997 | 42,808 mi | 2026-04-14 |
| Oxendale GMC | Flagstaff, AZ 86003 | $49,999 | 42,808 mi | 2026-04-14 |
| Oxendale GMC | Flagstaff, AZ 86001 | $50,997 | 42,796 mi | 2026-04-12 |
| Oxendale GMC | Flagstaff, AZ 86001 | $50,997 | 42,796 mi | 2026-04-12 |
| Jennings Beardstown | Beardstown, IL 62618 | — | 10,101 mi | 2023-02-16 |
