U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology · Patent Pending for Additional Innovations
OAV
2018 Audi A4

Vehicle Details

VINWAUENAF41JA128781
TrimPremium Plus
Exterior ColorWhite
Drivetrain4WD
Engine2.0L I4
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot51
Days on Market244

2018 Audi A4

Premium Plus

Fair Price
$18,59076,240 miles

University Park, IL 60484

Market price position

16,374
23,197
18,590

$18,590 · within market range

$16,374comparable$23,197
Regional range
$16,374 – $23,197
vs. market
$2,216 above low · $4,607 below high
Comparable vehicles
14
Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 1549 days.

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$16,374 – $23,197

Dealer Info

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University Park, IL

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About This 2018 Audi A4

Listing updated: May 3, 2026

Listed by an independent dealer in University Park, IL · On lot for 51 days · VIN verifiable at NHTSA

This used 2018 Audi A4 Premium Plus is listed at $18,590 by an independent dealer in University Park, IL 60484. It has 76,240 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 Fair Price — priced at market value. Based on 14 similar vehicles in the University Park market, the estimated market range is $16,374 to $23,197.

This vehicle has been on the lot for 51 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 2018 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 University Park, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WAUENAF41JA128781 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.

2018 Audi A4 Market in IL

Comparable Vehicles

121

Average Price

$16,785

Price Range

$7,900–$30,998

Avg Days on Lot

65

Based on 121 comparable 2016-2020 Audi A4 listings in IL, the average asking price is $16,785. This listing at $18,590 is $1,805 above average (11% above market). Comparable prices in IL range from $7,900 to $30,998. Similar vehicles spend an average of 65 days on dealer lots in this market.

Similar Audi A4 Listings in IL

8 comparable vehicles with similar year and mileage