Is the $34,995 price on this 2018 Audi S4 a good deal?

OAV rates this as Overpriced because the asking price of $34,995 is above the typical market range for this vehicle.

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

Based on 11 comparable listings in FL, the average asking price for a 2016-2020 Audi S4 is $26,678, with prices ranging from $17,986 to $37,885.

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

Comparable Audi S4 listings in FL spend an average of 73 days on dealer lots.

Where is this 2018 Audi S4 located?

This vehicle is listed in St. Augustine, FL 32084. VIN: WAUB4AF44JA216231. Mileage: 49,000 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 $15,950 to $22,995, based on 10 comparable vehicles.

No Photo Available

Vehicle Details

VINWAUB4AF44JA216231

TrimPremium Plus

Exterior ColorBrown

Drivetrain4WD

Engine3.0L V6

TransmissionAutomatic

Fuel TypePremium Unleaded

Inventory Typeused

Days on Lot236

2018 Audi S4

Premium Plus

Overpriced

$34,99549,000 mi

St. Augustine, FL 32084

Is this 2018 Audi S4 Premium Plus a good deal?

OAV verdict: Overpriced

Why: Listed at $34,995, comparable market range $15,950–$22,995, based on 10 comparable listings. Days on lot: 236 days (market average 73 days).

Market price position

$34,995 · $12,000 above market high

$15,950comparable$22,995

Regional range: $15,950 – $22,995
vs. market high: + $12,000 (52% above)
Comparable vehicles: 10

Market Retail Price (MRP™)

$19,473

This vehicle $34,995 · $15,522 (80%) 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™)

$29,300

This vehicle $34,995 · $5,695 (19%) above TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-07-27) — an estimate, not an appraisal. How TRV works.

Demand-Verified· Backed by recent sales data

Faster-than-average sell-through

Similar vehicles recently sold in an estimated 12–28 days.

What does Demand-Verified mean?

Verify before inquiring

This listing has been on market about 8.4x longer than typical for similar vehicles (cohort sells in 12–28 days; this one is at 236). Long days-on-lot on a fast-turn cohort can signal title concerns, mechanical issues, or pricing the dealer won't actually honor. Recommend a vehicle history report before spending more time.

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$15,950 – $22,995

Castagna Auto Sales Llc

St. Augustine, FL

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

View all vehicles from castagna auto sales llc →

Request availability and out-the-door price

OAV will route your inquiry to Castagna Auto Sales Llc for current availability of this 2018 Audi S4 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 S4

Listing updated: Jul 27, 2026

Listed by an independent dealer in St. Augustine, FL · On lot for 236 days · VIN verifiable at NHTSA

This used 2018 Audi S4 Premium Plus is listed at $34,995 by castagna auto sales llc in St. Augustine, FL 32084. It has 49,000 miles on the odometer. The exterior color is Brown. 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 Overpriced — priced above market value. Based on 10 similar vehicles in the St. Augustine market, the estimated market range is $15,950 to $22,995.

This vehicle has been on the lot for 236 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 St. Augustine, FL 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.

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 an independent dealer in St. Augustine, FL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WAUB4AF44JA216231 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 S4 Market in FL

Comparable Vehicles

Average Price

$26,678

Price Range

$17,986–$37,885

Avg Days on Lot

Based on 11 comparable 2016-2020 Audi S4 listings in FL, the average asking price is $26,678. This listing at $34,995 is $8,317 above average (31% above market). Comparable prices in FL range from $17,986 to $37,885. Similar vehicles spend an average of 73 days on dealer lots in this market.