VIN 3GTU9DED9MG320784 · 2021 GMC Sierra 1500
Every dealer listing of this VIN tracked by AutosXchange since 2026-11-07: 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: This car is listed at 2 dealers right now; the lowest asking price is $30,545 at Mayse Automotive Group.
2021 GMC Sierra SLT 1500
Factory details for VIN 3GTU9DED9MG320784 from NHTSA's vehicle database (the manufacturer's own data). The VIN check digit is valid.
| Year | 2021 |
|---|---|
| Make | GMC |
| Model | Sierra |
| Trim | SLT 1500 |
| Body | Pickup |
| Doors | 4 |
| Drive | 4WD/4-Wheel Drive/4x4 |
| Engine | 5.3L 8-cylinder |
| Fuel | Gasoline |
| Built in | Silao, Guanajuato, Mexico |
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 |
|---|---|---|---|---|---|---|
| Mayse Automotive GroupAurora, MO | Nov 7 | Still listed | $30,545 | $30,545current asking | 0 | For saleView listing |
| Mayse Automotive CDJRAurora, MO | Nov 7 | Still listed | $30,545 | $30,545current asking | 0 | For saleView listing |
2021 GMC Sierra 1500: market value
2021 GMC Sierra 1500 SLT: nationwide prices
Nationwide median, last listed and asking prices per day
- Nationwide median $33,950
- Last listed (listings removed) $32,875
- For sale now (asking) $33,954
Nationwide median, last listed and asking prices per day
- Nationwide median $33,950
- Last listed (listings removed) $33,105
- For sale now (asking) $33,954
Nationwide median, last listed and asking prices per day
- Nationwide median $33,950
- Last listed (listings removed) $33,105
- For sale now (asking) $33,954
The market value of this car, at the top, is based on its comparable cars (same 2020–2022 Sierra 1500 SLT · used · within 50 miles of Aurora, Missouri). This chart covers every 2021 GMC Sierra 1500 SLT 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 Aurora, Missouri | 1 | Not enough comparable listings yet (1 found) | — |
| Within 50 mi of Aurora, Missouri | 3 | $38,424 | — |
| Within 100 mi of Aurora, Missouri | 7 | $35,000 | $32,545 – $38,424 |
| Missouri | 21 | $33,939 | $29,479 – $37,587 |
| Nationwide | 420 | $34,080 | $26,996 – $40,212 |
Market for this car: 2021 GMC Sierra 1500 SLT
Quick numbers for every 2021 GMC Sierra 1500 SLT 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 2026-11-14. 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 3GTU9DED9MG320784 listed for sale?
Mayse Automotive Group in Aurora, MO from 2026-11-07 (still listed) at $30,545; Mayse Automotive CDJR in Aurora, MO from 2026-11-07 (still listed) at $30,545.
Source: AutosXchange Intel Hub, autos-xchange.com/market, 2026-11-14. AutosXchange Intel Hub · Methodology