2026 GMC Sierra SLT
VIN
3GTUUDEL3TG402031
This 2026 GMC Sierra SLT is listed at $66,289 with 5 miles in Seaford, DE.
Market Price Range
Below market
$58,666
Typical price
$65,043
Above market
$71,425
Based on
1194
comparable same-build listings.
above typical price
Market data as of July 26, 2026
Vehicle Decode
- Body
- Pickup
- Engine
- 6.2L · V8 · Gasoline
- Drive
- 4WD/4-Wheel Drive/4x4
- 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 |
|---|---|---|---|---|
| Hertrich Buick GMC | Seaford, DE 19973 | $66,289 | 5 mi | 2026-07-21 |
| Hertrich Buick GMC | Seaford, DE 19973 | $67,088 | 5 mi | 2026-06-12 |
| Hertrich Buick GMC | Seaford, DE 19973 | $70,583 | — | 2026-06-11 |
| Hertrich Buick GMC | Seaford, DE 19973 | $66,289 | 5 mi | 2026-06-11 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Hertrich Buick GMC | Seaford, DE 19973 | $69,784 | — | 2026-06-29 |
| Hertrich Buick GMC | Seaford, DE 8251 | $73,034 | — | 2026-06-11 |
| Hertrich Buick GMC | Seaford, DE 19973 | $73,034 | — | 2026-06-11 |
| Hertrich Buick GMC | Seaford, DE 19973 | $69,784 | — | 2026-06-11 |
| Hertrich Buick GMC | Seaford, DE 19973 | $66,289 | — | 2026-06-11 |
