2018 GMC Sierra SLT
VIN
3GTU2NEC6JG213544
This 2018 GMC Sierra SLT is listed at $18,362 with 183,928 miles in Alton, IL.
Market Price Range
Below market
$21,500
Typical price
$27,900
Above market
$33,534
Based on
708
comparable same-build listings.
below market price ($21500)
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 |
|---|---|---|---|---|
| Quality Buick | Alton, IL 62002 | $18,362 | 183,928 mi | 2026-07-24 |
| Quality Buick GMC Cadillac | Alton, IL 62002 | $18,362 | 183,928 mi | 2026-07-22 |
| Quality Buick GMC Cadillac | Alton, IL 62002 | $18,739 | 183,928 mi | 2026-07-21 |
| Quality Buick GMC Cadillac | Alton, IL 62002 | $18,362 | 183,928 mi | 2026-07-21 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Quality Buick GMC Cadillac | Alton, IL 62002 | $18,739 | 183,928 mi | 2026-07-22 |
| Quality Buick | Alton, IL 62002 | — | 183,928 mi | 2026-07-21 |
| Quality Buick GMC Cadillac | Alton, IL 62002 | — | 183,928 mi | 2026-07-21 |
