VIN 1GT49VEY7MF178428 · 2021 GMC Sierra 3500 HD
Every dealer listing of this VIN tracked by AutosXchange since 2026-11-06: where it was listed, for how much, and when it left the market. Listed for sale now.
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What this means for you: For sale now at Dave Sinclair Buick GMC for $47,949. Its car page compares that price with similar cars.
2021 GMC Sierra AT4 3500
Factory details for VIN 1GT49VEY7MF178428 from NHTSA's vehicle database (the manufacturer's own data). The VIN check digit is valid.
| Year | 2021 |
|---|---|
| Make | GMC |
| Model | Sierra |
| Trim | AT4 3500 |
| Body | Pickup |
| Doors | 4 |
| Drive | 4WD/4-Wheel Drive/4x4 |
| Engine | 6.6L 8-cylinder |
| Fuel | Diesel |
| Built in | Flint, Michigan, United States (USA) |
Recall lookup unavailable right now. Check this VIN at NHTSA →
Decoded data is what the manufacturer reported for this VIN pattern; options and condition of the actual car can differ. Accident and title history are not part of a VIN decode.
Dealer listings of this VIN
| Dealer | Added | Removed | First listed price | Last listed price | Price changes | Outcome |
|---|---|---|---|---|---|---|
| Dave Sinclair Buick GMCSt Louis, MO | Nov 6 | Still listed | $47,949 | $47,949current asking | 0 | For saleView listing |
2021 GMC Sierra 3500 HD: market value
2021 GMC Sierra 3500 HD AT4: nationwide prices
Nationwide median, last listed and asking prices per day
- Nationwide median $50,442
- Last listed (listings removed) —
- For sale now (asking) $50,442
Nationwide median, last listed and asking prices per day
- Nationwide median $50,442
- Last listed (listings removed) —
- For sale now (asking) $50,442
Nationwide median, last listed and asking prices per day
- Nationwide median $50,442
- Last listed (listings removed) —
- For sale now (asking) $50,442
The market value of this car, at the top, is based on its comparable cars (same 2020–2021 Sierra 3500 AT4 · used · within 250 miles of St Louis, Missouri). This chart covers every 2021 GMC Sierra 3500 HD AT4 listed across the U.S., so its figures can differ. Last listed price is the final advertised price of a listing before it was removed from sale, like a stock's last traded price. Nationwide median is the middle price of the last listed prices (listings removed in the window) and the current asking prices together.
This trim for sale now, by area
| Area | Cars | Median asking price | Typical range |
|---|---|---|---|
| Within 25 mi of St Louis, Missouri | 1 | Not enough comparable listings yet (1 found) | — |
| Within 50 mi of St Louis, Missouri | 1 | Not enough comparable listings yet (1 found) | — |
| Within 100 mi of St Louis, Missouri | 1 | Not enough comparable listings yet (1 found) | — |
| Missouri | 2 | Not enough comparable listings yet (2 found) | — |
| Nationwide | 39 | $50,606 | $45,995 – $59,198 |
Market for this car: 2021 GMC Sierra 3500 HD AT4
Quick numbers for every 2021 GMC Sierra 3500 HD AT4 we track. Pick an area and a period; open the full comparison for more.
Showing Missouri. Tracking began Nov 5, 2026, so 30- and 90-day views cover the days since then.
Missouri, 2026-11-05 to 2026-11-12. Asking prices, not sale prices; a removed listing is often, but not always, a sale.
About this history
Asking prices advertised by dealers, as tracked by AutosXchange; not final sale prices. "Listing removed" means the listing ended and the VIN has not been advertised by any dealer on AutosXchange since; "Moved" means it appeared at another dealer within 45 days. History begins 2026-11-05.
Questions
Where was VIN 1GT49VEY7MF178428 listed for sale?
Dave Sinclair Buick GMC in St Louis, MO from 2026-11-06 (still listed) at $47,949.
Source: AutosXchange Intel Hub, autos-xchange.com/market, 2026-11-12. AutosXchange Intel Hub · Methodology