Is the $18,990 price on this 2021 Audi Q3 a good deal?

OAV rates this as Fair Price because the asking price of $18,990 is within the typical market range for this vehicle.

What is the average price for a 2021 Audi Q3 in MO?

Based on 30 comparable listings in MO, the average asking price for a 2019-2023 Audi Q3 is $25,010, with prices ranging from $13,499 to $31,465.

How long does a 2021 Audi Q3 typically stay on dealer lots?

Comparable Audi Q3 listings in MO spend an average of 47 days on dealer lots.

Where is this 2021 Audi Q3 located?

This vehicle is listed in St. Louis, MO 63125. VIN: WA1DECF36M1042723. Mileage: 87,089 miles.

What is the fair market price range for this 2021 Audi Q3?

OAV's Price-to-Market analysis estimates the fair market range is $15,499 to $25,123, based on 14 comparable vehicles.

2021 Audi Q3 S Line Premium for Sale in St. Louis, MO

No Photo Available

Vehicle Details

VINWA1DECF36M1042723

TrimS Line Premium

Exterior ColorBlack

Drivetrain4WD

Engine2.0L I4

TransmissionAutomatic

Fuel TypeUnleaded

Inventory Typeused

Days on Lot6

S Line Premium

Fair Price

$18,99087,089 mi

St. Louis, MO 63125

Is this 2021 Audi Q3 S Line Premium a good deal?

OAV verdict: Fair Price

Why: Listed at $18,990, comparable market range $15,499–$25,123, based on 14 comparable listings. Days on lot: 6 days (market average 47 days).

Market price position

$18,990 · within market range

Regional range: $15,499 – $25,123
vs. market: $3,491 above low · $6,133 below high
Comparable vehicles: 14

Market Retail Price (MRP™)

$20,311

This vehicle $18,990 · $1,321 (7%) below 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™)

$20,073

This vehicle $18,990 · $1,083 (5%) below TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-07-29) — an estimate, not an appraisal. How TRV works.

Demand-Verified· Backed by recent sales data

Similar vehicles recently sold in an estimated 13–52 days.

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$15,499 – $25,123

South County Auto Plaza

St. Louis, MO

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

View all vehicles from south county auto plaza →

Request availability and out-the-door price

OAV will route your inquiry to South County Auto Plaza for current availability of this 2021 Audi Q3 S Line Premium 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 2021 Audi Q3

Listing updated: Jul 29, 2026

Listed by an independent dealer in St. Louis, MO · On lot for 6 days · VIN verifiable at NHTSA

This used 2021 Audi Q3 S Line Premium is listed at $18,990 by south county auto plaza in St. Louis, MO 63125. It has 87,089 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Black. 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 Fair Price — priced at market value. Based on 14 similar vehicles in the St. Louis market, the estimated market range is $15,499 to $25,123.

This vehicle has been on the lot for 6 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. Louis, MO suvs 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 2021 Audi Q3 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. Louis, MO, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN WA1DECF36M1042723 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.

2021 Audi Q3 Market in MO

Comparable Vehicles

Average Price

$25,010

Price Range

$13,499–$31,465

Avg Days on Lot

Based on 30 comparable 2019-2023 Audi Q3 listings in MO, the average asking price is $25,010. This listing at $18,990 is $6,020 below average (24% below market). Comparable prices in MO range from $13,499 to $31,465. Similar vehicles spend an average of 47 days on dealer lots in this market.