2020 GMC Sierra SLE
VIN
3GTU9BET2LG334794
This 2020 GMC Sierra SLE is listed at $28,531 with 107,274 miles in Alton, IL.
Market Price Range
Below market
$23,752
Typical price
$27,798
Above market
$31,167
Based on
7
comparable same-build listings.
above typical price
Market data as of July 28, 2026
Vehicle Decode
- Body
- Pickup
- Engine
- 3.0L · V6 · 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
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Quality GMC Buick | Alton, IL 62002 | $28,531 | 107,274 mi | 2026-07-28 |
| Quality Buick GMC Cadillac | Alton, IL 62002 | $28,154 | 107,274 mi | 2026-07-22 |
| Quality GMC Buick | Alton, IL 62002 | $28,531 | 107,274 mi | 2026-04-17 |
| Quality Buick GMC Cadillac | Alton, IL 62002 | $28,531 | 107,274 mi | 2026-04-17 |
| Quality Buick GMC Cadillac | Alton, IL 62002 | $27,985 | 107,274 mi | 2026-04-15 |
| Quality Buick Cadillac GMC | Alton, IL 62002 | $28,531 | 107,274 mi | 2026-04-15 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Quality Buick | Alton, IL 62002 | $28,154 | 107,274 mi | 2026-07-24 |
| Quality Buick | Alton, IL 62002 | $28,362 | 107,274 mi | 2026-07-17 |
| Quality Buick GMC Cadillac | Alton, IL 62002 | $28,531 | 107,274 mi | 2026-07-17 |
| Quality Buick GMC Cadillac | Alton, IL 62002 | $28,739 | 107,274 mi | 2026-07-16 |
| Quality GMC Buick | Alton, IL 62002 | $28,739 | 107,274 mi | 2026-07-14 |
| Quality Buick GMC Cadillac | Alton, IL 62002 | $28,362 | 107,274 mi | 2026-07-07 |
| Quality Buick | Alton, IL 62002 | $27,985 | 107,274 mi | 2026-07-06 |
| Quality Buick GMC Cadillac | Alton, IL 62002 | $27,985 | 107,274 mi | 2026-06-10 |
| Quality Buick GMC Cadillac | Alton, IL 62002 | $24,977 | 107,274 mi | 2026-05-26 |
| Quality Buick GMC Cadillac | Alton, IL 62002 | $24,985 | 107,274 mi | 2026-05-17 |
| Quality Buick GMC Cadillac | Alton, IL 62002 | $24,977 | 107,274 mi | 2026-04-18 |
| Quality Buick GMC Cadillac | Alton, IL 62002 | $28,362 | 107,274 mi | 2026-04-18 |
| Quality GMC Buick | Alton, IL 62002 | $24,977 | 107,274 mi | 2026-04-17 |
| Quality Buick GMC Cadillac | Alton, IL 62002 | $27,985 | 107,274 mi | 2026-04-17 |
| Quality GMC Buick | Alton, IL 62002 | $27,985 | 107,274 mi | 2026-04-17 |
| Quality GMC Buick | 62002 | $28,739 | 107,274 mi | 2026-04-17 |
| Quality Buick Cadillac GMC | Alton, IL 62002 | $24,985 | 107,274 mi | 2026-04-15 |
| Quality Buick GMC Cadillac | Alton, IL 62002 | $24,985 | 107,274 mi | 2026-04-15 |
| Quality Buick GMC Cadillac | Alton, IL 62695 | $24,985 | 107,274 mi | 2026-04-15 |
| Quality Buick GMC Cadillac | Alton, IL 62015 | — | 107,274 mi | 2026-04-15 |
| Quality Buick Cadillac GMC | Alton, IL 62002 | $24,977 | 107,274 mi | 2026-04-15 |
| Quality Buick GMC Cadillac | Alton, IL 62002 | $24,977 | 107,274 mi | 2026-04-15 |
| Quality Buick Cadillac GMC | Alton, IL 62002 | $28,739 | 107,274 mi | 2026-04-15 |
| — | $29,988 | 88,936 mi | 2024-12-18 | |
| Marshall Chevrolet Buick GMC | Jerseyville, IL 62052 | — | 88,936 mi | 2024-12-08 |
| Marshall Chevrolet GMC | Jerseyville, IL 62052 | — | 88,936 mi | 2024-12-07 |
| — | $33,988 | 79 mi | 2023-12-09 | |
| Marshall Chevrolet Buick GMC | Jerseyville, IL 62052 | $33,988 | 79,353 mi | 2023-12-09 |
| Poage Chrysler Dodge Jeep | Hannibal, MO 63401 | $49,990 | 27,850 mi | 2021-09-03 |
| Poage Chrysler Dodge Jeep RAM FIAT | Hannibal, MO 63401 | $49,990 | 27,850 mi | 2021-09-02 |
