Is the $30,313 price on this 2018 Audi S5 Sportback a good deal?

OAV rates this as Overpriced because the asking price of $30,313 is above the typical market range for this vehicle.

What is the average price for a 2018 Audi S5 Sportback in IL?

Based on 35 comparable listings in IL, the average asking price for a 2016-2020 Audi S5 Sportback is $27,437, with prices ranging from $19,995 to $39,794.

How long does a 2018 Audi S5 Sportback typically stay on dealer lots?

Comparable Audi S5 Sportback listings in IL spend an average of 52 days on dealer lots.

Where is this 2018 Audi S5 Sportback located?

This vehicle is listed in Des Plaines, IL 60018. VIN: WAUC4CF58JA128646. Mileage: 49,702 miles.

What is the fair market price range for this 2018 Audi S5 Sportback?

OAV's Price-to-Market analysis estimates the fair market range is $22,488 to $26,697, based on 10 comparable vehicles.

No Photo Available

Vehicle Details

VINWAUC4CF58JA128646

TrimPrestige

Exterior ColorGreen

Drivetrain4WD

Engine3.0L V6

TransmissionAutomatic

Fuel TypePremium Unleaded

Inventory Typeused

Days on Lot8

2018 Audi S5 Sportback

Prestige

Overpriced

$30,31349,702 mi

Des Plaines, IL 60018

Is this 2018 Audi S5 Sportback Prestige a good deal?

OAV verdict: Overpriced

Why: Listed at $30,313, comparable market range $22,488–$26,697, based on 10 comparable listings. Days on lot: 8 days (market average 52 days).

Market price position

$30,313 · $3,616 above market high

$22,488comparable$26,697

Regional range: $22,488 – $26,697
vs. market high: + $3,616 (14% above)
Comparable vehicles: 10

Market Retail Price (MRP™)

$24,593

This vehicle $30,313 · $5,720 (23%) 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™)

$29,616

This vehicle $30,313 · $697 (2%) above TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-07-24) — 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 12–42 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 are rebuilt from the market snapshot shown above.

Regional Range$22,488 – $26,697

Autonation

Des Plaines, IL

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

View all vehicles from autonation →

Request availability and out-the-door price

OAV will route your inquiry to Autonation for current availability of this 2018 Audi S5 Sportback Prestige 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 S5 Sportback

Listing updated: Jul 24, 2026

Listed by a franchise dealer in Des Plaines, IL · On lot for 8 days · VIN verifiable at NHTSA

This used 2018 Audi S5 Sportback Prestige is listed at $30,313 by autonation in Des Plaines, IL 60018. It has 49,702 miles on the odometer. The exterior color is Green. 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 Des Plaines market, the estimated market range is $22,488 to $26,697.

This vehicle has been on the lot for 8 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 Des Plaines, IL hatchbacks 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 S5 Sportback 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 a franchise dealer in Des Plaines, IL, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WAUC4CF58JA128646 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 S5 Sportback Market in IL

Comparable Vehicles

Average Price

$27,437

Price Range

$19,995–$39,794

Avg Days on Lot

Based on 35 comparable 2016-2020 Audi S5 Sportback listings in IL, the average asking price is $27,437. This listing at $30,313 is $2,876 above average (10% above market). Comparable prices in IL range from $19,995 to $39,794. Similar vehicles spend an average of 52 days on dealer lots in this market.