2020 GMC Sierra AT4
VIN
3GTP9EED5LG396990
This 2020 GMC Sierra AT4 is listed at $29,232 with 146,699 miles in Burns Harbor, IN.
Market Price Range
Below market
$31,626
Typical price
$36,784
Above market
$40,627
Based on
38
comparable same-build listings.
below market price ($31626)
Market data as of July 27, 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 |
|---|---|---|---|---|
| Bosak Kia | Burns Harbor, IN 46304 | $29,232 | 146,699 mi | 2026-07-27 |
| Graff Chevrolet GMC of Michigan City | Michigan City, IN 46360 | $29,233 | — | 2026-07-24 |
| Bosak Kia | Burns Harbor, IN 46304 | $29,232 | — | 2026-07-23 |
| Graff Chevrolet GMC of Michigan City | Michigan City, IN 46360 | $28,981 | 146,699 mi | 2026-07-07 |
| Graff Chevrolet GMC of Michigan City | Michigan City, IN 46360 | — | 146,681 mi | 2026-07-02 |
| Graff Chevrolet GMC of Michigan City | Michigan City, IN 46360 | $28,981 | 146,699 mi | 2026-07-01 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Graff Kia of Chesterton | Burns Harbor, IN 46304 | $29,232 | 146,681 mi | 2026-07-15 |
| Graff Chevrolet of Chesterton | Chesterton, IN 46304 | $28,981 | — | 2026-07-11 |
| Graff Chevrolet GMC of Michigan City | Michigan City, IN 46360 | $28,981 | 146,681 mi | 2026-07-07 |
| Graff Chevrolet GMC of Michigan City | Michigan City, IN 46360 | $30,127 | — | 2026-07-05 |
| Graff Kia of Chesterton | Burns Harbor, IN 46304 | $30,126 | 146,681 mi | 2026-07-04 |
| Graff Kia of Chesterton | Burns Harbor, IN 46304 | — | — | 2026-07-02 |
| Graff Chevrolet GMC of Michigan City | Michigan City, IN 46360 | — | 146,681 mi | 2026-07-01 |
| Graff Chevrolet GMC of Michigan City | Michigan City, IN 46360 | $29,875 | 146,681 mi | 2026-07-01 |
| Graff Chevrolet GMC of Michigan City | Michigan City, IN 46360 | $28,981 | 146,681 mi | 2026-07-01 |
