2021 GMC Sierra 1500 AT4

Listed by a franchise dealer in Prince Frederick, MD · On lot for 6 days · VIN verifiable at NHTSA

This used 2021 GMC Sierra 1500 AT4 is listed at $40,448 by winegardner gmc of prince frederick in Prince Frederick, MD 20678. It has 67,291 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Black. It features a 4WD drivetrain with a 5.3L V8 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Fair Price — priced at market value. Based on 16 comparable listings matched to this vehicle, the estimated market range is $29,995 to $44,246. These comparisons match year, make, and model and may currently span trims and configurations (trim-level matching is rolling out).

This vehicle has been on the lot for 6 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477).

Market context

This listing is part of OAV's broader Prince Frederick, MD trucks market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.

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How this deal is rated

OAV compares this 2021 GMC Sierra 1500 against similar vehicles currently available in the local and regional market — same make, model, and year range (currently across available trims and configurations; trim-level matching is rolling out), filtered for comparable mileage. Based on where this listing falls in that comparable set, it is rated:

• Great Deal — priced below the typical range for comparable vehicles.
• Fair Price — priced within the expected range for comparable vehicles.
• Overpriced — priced above the typical range for comparable vehicles.

Listings show OAV's PTM-derived deal quality and live market context. OAV-claimed dealers manage their listing profile and route buyer inquiries directly. Paid OAV partners surface additional verification signals.

How this listing is verified

This vehicle listing was aggregated from a franchise dealer in Prince Frederick, MD, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GTP9EED2MG108750 can be independently verified via the U.S. Department of Transportation's NHTSA VIN decoder, and safety recalls at NHTSA's recall database.

Vehicle attributes (year, make, model, trim, mileage, location) are standardized using OAV's patented methodology (U.S. Patent No. 12,236,477), which normalizes naming conventions and deduplicates cross-listed inventory across the dealership network. Listing data is processed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2021 GMC Sierra 1500 Market in MD

Based on all 87 2019-2023 GMC Sierra 1500 listings in the MD market, the average asking price is $40,624. This listing at $40,448 is $176 below the broader MD average (0% below the MD average). This is a wider, all-trim comparison across MD; OAV's price verdict above uses the closer comparable set. Comparable prices in MD range from $24,195 to $67,900. Similar vehicles spend an average of 64 days on dealer lots in this market.

Similar GMC Sierra 1500 Listings in MD

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: AT4 — compare trims below)