U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
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Vehicle Details

VINWAUENAF40JA108618
TrimPremium Plus
Exterior ColorWhite
Drivetrain4WD
Engine2.0L I4
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot31

2018 Audi A4

Premium Plus

Unscored
$19,98557,310 mi

San Diego, CA 92126

Is this 2018 Audi A4 Premium Plus a good deal?

OAV verdict: Unscored

Why: Listed at $19,985, comparable market range $9,999–$20,998, based on 4 comparable listings. Days on lot: 31 days (market average 53 days).

Market price position

9,999
20,998
19,985

$19,985 · within market range

$9,999comparable$20,998
Regional range
$9,999 – $20,998
vs. market
$9,986 above low · $1,013 below high
Comparable vehicles
4
Demand-Verified· Backed by recent sales data
Faster-than-average sell-through

Similar vehicles recently sold in an estimated 1043 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$9,999 – $20,998

Land Rover San Diego

San Diego, CA

OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

View all vehicles from land rover san diego

Request availability and out-the-door price

OAV will route your inquiry to Land Rover San Diego for current availability of this 2018 Audi A4 Premium Plus and an out-the-door price quote (taxes, fees, addons included).

OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

About This 2018 Audi A4

Listing updated: Jun 22, 2026

Listed by a franchise dealer in San Diego, CA · On lot for 31 days · VIN verifiable at NHTSA

This used 2018 Audi A4 Premium Plus is listed at $19,985 by land rover san diego in San Diego, CA 92126. It has 57,310 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 4 similar vehicles in the San Diego market, the estimated market range is $9,999 to $20,998.

This vehicle has been on the lot for 31 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 San Diego, 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.

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:

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 San Diego, CA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WAUENAF40JA108618 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 CA

Comparable Vehicles

319

Average Price

$16,725

Price Range

$7,900–$28,998

Avg Days on Lot

53

Based on 319 comparable 2016-2020 Audi A4 listings in CA, the average asking price is $16,725. This listing at $19,985 is $3,260 above average (19% above market). Comparable prices in CA range from $7,900 to $28,998. Similar vehicles spend an average of 53 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)