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

2018 Audi A4 Premium Plus

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Vehicle Details

VINWAUENAF48JA030928
TrimPremium Plus
Exterior ColorWhite
Drivetrain4WD
Engine2.0L I4
TransmissionAutomatic
Fuel TypePremium Unleaded
Inventory Typeused
Days on Lot9

Premium Plus

Overpriced
$21,59458,343 mi

Westbrook, ME 04092

Is this 2018 Audi A4 Premium Plus a good deal?

OAV verdict: Overpriced

Why: Listed at $21,594, comparable market range $14,990–$17,479, based on 12 comparable listings. Days on lot: 9 days (market average 41 days).

Market price position

$21,594 · $4,115 above market high

Comparable range
$14,990 – $17,479
vs. market high
+ $4,115 (24% above)
Comparable vehicles
12

Market Retail Price (MRP™)

$16,235

This vehicle $21,594 · $5,359 (33%) above MRP

MRP™ is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.

True Retail Value (TRV™)

$19,855

This vehicle $21,594 · $1,739 (9%) above TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-02) — an estimate, not an appraisal. How TRV works.

Demand-Verified· Faster recent sell-through, still within the typical window
Faster recent sell-through

Comparable vehicles nationally recently sold in an estimated 1042 days, and this listing is still within that typical selling window.

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 are rebuilt from the market snapshot shown above.

Regional Range$14,990 – $17,479

Bill Dodge Infiniti

Westbrook, ME

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

About This 2018 Audi A4

Listing updated: Aug 2, 2026

Listed by a franchise dealer in Westbrook, ME · On lot for 9 days · VIN verifiable at NHTSA

This used 2018 Audi A4 Premium Plus is listed at $21,594 by bill dodge infiniti in Westbrook, ME 04092. It has 58,343 miles on the odometer (dealer-reported, not independently verified by OAV). 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 Overpriced — priced above market value. Based on 12 comparable listings matched to this vehicle, the estimated market range is $14,990 to $17,479. These comparisons match year, make, and model and may currently span trims and configurations (trim-level matching is rolling out).

This vehicle has been on the lot for 9 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 Westbrook, ME 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 (currently across available trims and configurations; trim-level matching is rolling out), 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 a franchise dealer in Westbrook, ME, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WAUENAF48JA030928 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 processed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2018 Audi A4 Market in ME

ME Market Listings

7

Average Price

$18,219

Price Range

$14,990–$24,495

Avg Days on Lot

41

Based on all 7 2016-2020 Audi A4 listings in the ME market, the average asking price is $18,219. This listing at $21,594 is $3,375 above the broader ME average (19% above the ME average). This is a wider, all-trim comparison across ME; OAV's price verdict above uses the closer comparable set. Comparable prices in ME range from $14,990 to $24,495. Similar vehicles spend an average of 41 days on dealer lots in this market.

Similar Audi A4 Listings in ME

1 similar listing shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: Premium Plus — compare trims below)