2020 GMC Sierra SLT
VIN
3GTP8DED5LG294697
This 2020 GMC Sierra SLT is listed at $39,976 with 46 miles in Mcallen, TX.
Market Price Range
Below market
$28,152
Typical price
$31,890
Above market
$34,995
Based on
55
comparable same-build listings.
above market price ($34995)
Market data as of July 27, 2026
Vehicle Decode
- Body
- Pickup
- Engine
- 5.3L · V8 · Gasoline
- Drive
- 4x2
- 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 |
|---|---|---|---|---|
| South Texas Buick GMC | Mcallen, TX 78501 | $39,976 | 46 mi | 2026-07-27 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| South Texas Buick GMC | Mcallen, TX 78501 | $40,725 | 46 mi | 2026-07-15 |
| South Texas Buick GMC | Mcallen, TX 78501 | $41,196 | 46 mi | 2026-07-11 |
| South Texas Buick GMC | 78503 | $41,196 | 46,608 mi | 2026-07-09 |
| South Texas Buick GMC | Mcallen, TX 78501 | $40,971 | 46,608 mi | 2026-07-05 |
