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

Vehicle Details

VINWAUEAAF47MA028149
TrimPremium Plus
Exterior ColorWhite
Drivetrain4WD
Engine2.0L I4
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot23

2021 Audi A4

Premium Plus

Unscored
$23,78954,542 miles

Avondale, AZ 85323

Market price position

20,985
29,995
23,789

$23,789 · within market range

$20,985comparable$29,995
Regional range
$20,985 – $29,995
vs. market
$2,804 above low · $6,206 below high
Comparable vehicles
6
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?

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges refresh daily.

Regional Range$20,985 – $29,995

Dealer Info

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Avondale, AZ

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About This 2021 Audi A4

Listing updated: May 15, 2026

Listed by an independent dealer in Avondale, AZ · On lot for 23 days · VIN verifiable at NHTSA

This used 2021 Audi A4 Premium Plus is listed at $23,789 by an independent dealer in Avondale, AZ 85323. It has 54,542 miles on the odometer. The exterior color is White. 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 6 similar vehicles in the Avondale market, the estimated market range is $20,985 to $29,995.

This vehicle has been on the lot for 23 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 Avondale, AZ sedans market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.

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 an independent dealer in Avondale, AZ, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WAUEAAF47MA028149 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 AZ

Comparable Vehicles

45

Average Price

$26,661

Price Range

$16,995–$33,599

Avg Days on Lot

37

Based on 45 comparable 2019-2023 Audi A4 listings in AZ, the average asking price is $26,661. This listing at $23,789 is $2,872 below average (11% below market). Comparable prices in AZ range from $16,995 to $33,599. Similar vehicles spend an average of 37 days on dealer lots in this market.

Similar Audi A4 Listings in AZ

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