2021 Audi A4

Listed by an independent dealer in Costa Mesa, CA · On lot for 28 days · VIN verifiable at NHTSA

This used 2021 Audi A4 Premium Plus is listed at $20,998 by an independent dealer in Costa Mesa, CA 92626. It has 57,144 miles on the odometer. The exterior color is Gray. It features a 4WD drivetrain with a 2.0L I4 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on 5 similar vehicles in the Costa Mesa market, the estimated market range is $22,999 to $25,075.

This vehicle has been on the lot for 28 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 Costa Mesa, CA sedans 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 Audi A4 against similar vehicles currently available in the local and regional market — same make, model, and year range, 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 an independent dealer in Costa Mesa, CA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WAUBBAF40MA058917 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 refreshed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2021 Audi A4 Market in CA

Based on 379 comparable 2019-2023 Audi A4 listings in CA, the average asking price is $24,948. This listing at $20,998 is $3,950 below average (16% below market). Comparable prices in CA range from $11,995 to $35,995. Similar vehicles spend an average of 39 days on dealer lots in this market.

Similar Audi A4 Listings in CA

8 comparable vehicles within ±2 model years and ±30,000 miles (subject trim: Premium Plus — compare trims below)