2021 GMC Sierra SLT
VIN
3GTP8DED1MG439557
This 2021 GMC Sierra SLT is listed at $23,121 with 175,416 miles in Humble, TX.
Market Price Range
Below market
$29,990
Typical price
$33,925
Above market
$38,292
Based on
42
comparable same-build listings.
below market price ($29990)
Market data as of July 26, 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 |
|---|---|---|---|---|
| Randall Reed's Planet Ford 59 | Humble, TX 77338 | $23,121 | 175,416 mi | 2026-07-24 |
| Planet Ford 59 | Humble, TX 77338 | $21,850 | 175,416 mi | 2026-07-24 |
| Planet Ford 59 | Humble, TX 77338 | $22,522 | 175,416 mi | 2026-07-14 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Planet Ford 59 | Humble, TX 77338 | $22,522 | 175,416 mi | 2026-07-18 |
| Randall Reed's Planet Ford 59 | Humble, TX 77338 | $22,594 | 175,416 mi | 2026-07-15 |
| Planet Ford 59 | Humble, TX 77338 | $21,995 | 175,416 mi | 2026-07-13 |
| Randall Reed's Planet Ford | Humble, TX 77338 | $21,995 | 175,416 mi | 2026-07-12 |
| Randall Reed's Planet Ford | Humble, TX 77347 | $22,145 | 175,416 mi | 2026-07-12 |
| Planet Ford 59 | Humble, TX 77338 | $21,995 | 175,416 mi | 2026-07-12 |
