Is the $23,628 price on this 2018 Audi S4 a good deal?

OAV rates this as a Great Deal because the asking price of $23,628 is below the typical market range for this vehicle.

What is the average price for a 2018 Audi S4 in CA?

Based on 27 comparable listings in CA, the average asking price for a 2016-2020 Audi S4 is $27,261, with prices ranging from $17,932 to $37,998.

How long does a 2018 Audi S4 typically stay on dealer lots?

Comparable Audi S4 listings in CA spend an average of 54 days on dealer lots.

Where is this 2018 Audi S4 located?

This vehicle is listed in Arcadia, CA 91006. VIN: WAUB4AF42JA143022. Mileage: 84,033 miles.

What is the fair market price range for this 2018 Audi S4?

OAV's Price-to-Market analysis estimates the fair market range is $27,199 to $27,199, based on 3 comparable vehicles.

Vehicle Details

VINWAUB4AF42JA143022

TrimPremium Plus

Exterior ColorBlack

Drivetrain4WD

Engine3.0L V6

TransmissionAutomatic

Fuel TypePremium Unleaded

Inventory Typeused

Days on Lot66

2018 Audi S4

Premium Plus

Unscored

$23,62884,033 mi

Arcadia, CA 91006

Is this 2018 Audi S4 Premium Plus a good deal?

OAV verdict: Unscored

Why: Listed at $23,628, comparable market range $27,199–$27,199, based on 3 comparable listings. Days on lot: 66 days (market average 54 days).

Market price position

Lowest comparable ($)

27,199

Highest comparable ($)

27,199

This vehicle's price ($)

23,628

$23,628 · $3,571 below the market benchmark

$27,199 — single data point

Regional range: $27,199 (3 listings)
vs. market low: — $3,571 (13% below)
Comparable vehicles: 3

Demand-Verified· Backed by recent sales data

Faster-than-average sell-through

Similar vehicles recently sold in an estimated 12–54 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$27,199 – $27,199

Dealer Info

Hidden

Arcadia, CA

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About This 2018 Audi S4

Listing updated: May 19, 2026

Listed by a franchise dealer in Arcadia, CA · On lot for 66 days · VIN verifiable at NHTSA

This used 2018 Audi S4 Premium Plus is listed at $23,628 by a franchise dealer in Arcadia, CA 91006. It has 84,033 miles on the odometer. The exterior color is Black. It features a 4WD drivetrain with a 3.0L V6 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as Unscored due to insufficient comparable data. Based on 3 similar vehicles in the Arcadia market, the estimated market range is $27,199 to $27,199.

This vehicle has been on the lot for 66 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 Arcadia, 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 S4 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:

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.

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 Arcadia, CA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WAUB4AF42JA143022 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 S4 Market in CA

Comparable Vehicles

Average Price

$27,261

Price Range

$17,932–$37,998

Avg Days on Lot

Based on 27 comparable 2016-2020 Audi S4 listings in CA, the average asking price is $27,261. This listing at $23,628 is $3,633 below average (13% below market). Comparable prices in CA range from $17,932 to $37,998. Similar vehicles spend an average of 54 days on dealer lots in this market.