2021 GMC Sierra Denali
VIN
3GTU9FEL4MG401257
This 2021 GMC Sierra Denali is listed at $47,995 with 31,290 miles in Smithtown, NY.
Market Price Range
Below market
$34,909
Typical price
$41,384
Above market
$47,605
Based on
120
comparable same-build listings.
above market price ($47605)
Market data as of July 27, 2026
Vehicle Decode
- Body
- Pickup
- Engine
- 6.2L · 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 |
|---|---|---|---|---|
| King O'Rourke Buick GMC | Smithtown, NY 11767 | $47,995 | 31,290 mi | 2026-07-25 |
| King O'Rourke Auto Group | Smithtown, NY 11787 | $48,170 | 28,173 mi | 2025-12-07 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| King-O'Rourke Auto Group of Smithtown | Smithtown, NY 11787 | $47,995 | 31,290 mi | 2026-06-26 |
| King O'Rourke Buick GMC | Smithtown, NY 11767 | $47,995 | 30,453 mi | 2026-06-13 |
| King O'Rourke Buick GMC | Smithtown, NY 11767 | — | 28,189 mi | 2026-02-16 |
| King O'Rourke Buick GMC | Smithtown, NY 11767 | — | 28,173 mi | 2026-02-16 |
| King O'Rourke Buick GMC | Smithtown, NY 11767 | $47,995 | 28,189 mi | 2026-02-16 |
| King O'Rourke Buick GMC | Smithtown, NY 11767 | — | 28,173 mi | 2026-01-12 |
| King O'Rourke Buick GMC | 11767 | — | 28,173 mi | 2026-01-12 |
| King O'Rourke Buick GMC | Smithtown, NY 11767 | — | 28,173 mi | 2026-01-12 |
| King O'Rourke Buick GMC | Smithtown, NY 11767 | — | 28,173 mi | 2025-12-14 |
| King O'Rourke Buick Cadillac GMC | Smithtown, NY 11787 | $47,995 | 28,173 mi | 2025-12-14 |
| King O'Rourke Auto Group | Smithtown, NY 11787 | $47,995 | 28,173 mi | 2025-12-09 |
| King O'Rourke Auto Group | Smithtown, NY 11787 | $47,995 | 28,173 mi | 2025-12-09 |
| King O'Rourke Auto Group | Smithtown, NY 11787 | $47,995 | 28,173 mi | 2025-12-09 |
| King O'Rourke Auto Group | Smithtown, NY 11787 | $47,995 | 28,173 mi | 2025-12-09 |
| King O'Rourke Auto Group | Smithtown, NY 11787 | $47,995 | 28,173 mi | 2025-12-09 |
| King O'Rourke Buick GMC | Smithtown, NY 11787 | $47,995 | 28,173 mi | 2025-12-08 |
| King O'Rourke Buick GMC | Smithtown, NY 11787 | $47,995 | 28,173 mi | 2025-12-08 |
| King O'Rourke Auto Group | Smithtown, NY 11787 | $47,995 | 28,173 mi | 2025-12-08 |
| King O'Rourke Buick GMC | Smithtown, NY 11787 | $47,995 | 28,173 mi | 2025-12-07 |
