U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV
2021 Audi A4

Vehicle Details

VINWAUBBAF45MA016758
TrimPremium Plus
Exterior ColorBlack
Drivetrain4WD
Engine2.0L I4
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot87
Days on Market311

2021 Audi A4

Premium Plus

Unscored
$23,00045,775 miles

Arroyo Grande, CA 93420

Market price position

23,000
23,000
23,000

$23,000 · only listing at this price

$23,000 — single data point
Regional range
$23,000 (0 listings)
vs. market
Exact match — no spread
Comparable vehicles
0
Demand-Verified· Backed by recent sales data
Faster-than-average sell-through

Similar vehicles recently sold in an estimated 1453 days.

What does Demand-Verified mean?

Dealer Info

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Arroyo Grande, CA

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About This 2021 Audi A4

Listing updated: May 9, 2026

Listed by a franchise dealer in Arroyo Grande, CA · On lot for 87 days · VIN verifiable at NHTSA

This used 2021 Audi A4 Premium Plus is listed at $23,000 by a franchise dealer in Arroyo Grande, CA 93420. It has 45,775 miles on the odometer. The exterior color is Black. 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 Fair Price — priced at market value. Based on available similar vehicles in the Arroyo Grande market, the estimated market range is $23,000 to $23,000.

This vehicle has been on the lot for 87 days.

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

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:

This rating refreshes daily as inventory enters and leaves the market. The dealer on this listing has not yet activated on OAV, so the business name and contact details are anonymized here. Activated (paying) dealers appear with their verified business name and a Verified badge.

How this listing is verified

This vehicle listing was aggregated from a franchise dealer in Arroyo Grande, CA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WAUBBAF45MA016758 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

Comparable Vehicles

393

Average Price

$26,184

Price Range

$11,995–$36,250

Avg Days on Lot

35

Based on 393 comparable 2019-2023 Audi A4 listings in CA, the average asking price is $26,184. This listing at $23,000 is $3,184 below average (12% below market). Comparable prices in CA range from $11,995 to $36,250. Similar vehicles spend an average of 35 days on dealer lots in this market.

Similar Audi A4 Listings in CA

8 comparable vehicles with similar year and mileage