Audi S4 (B6)

Audi S4 (B6) Market Overview

Built by Audi from 2003-2005, the Audi S4 (B6) is tracked across 149 active listings from 9 marketplaces including eBay Motors, Bring a Trailer, Cars & Bids, AutoTrader, CarGurus, Cars.com, and Facebook Marketplace. Each listing is analyzed by AI for quality, value, and condition.

Audi S4 (B6) Pricing Data

As of October 2026, the median asking price for a Audi S4 (B6) is $9,500, with an average of $10,128. The middle 50% of listings (25th to 75th percentile) are priced between $5,995 and $14,991. The median mileage across active listings is 114,000 miles. Listings spend an average of 281 days on market before selling or being removed.

Where to Find a Audi S4 (B6)

The highest concentration of Audi S4 (B6) listings by state: WA (22), CA (21), CO (10), OH (8), NJ (8). Listings are sourced from Facebook Marketplace (78), cgu (17), Cars.com (17), CarGurus (12), Classic.com (10), eBay Motors (9).

Audi S4 (B6) by Model Year

The most commonly listed model year is 2005 with 80 listings. Year breakdown: 2005 (80 listings), 2004 (65 listings).

Audi S4 (B6) Sales History

CarSearch.Pro tracks 202 historical Audi S4 (B6) sales from auction houses and dealer records. In 2026-Q3, the median sale price was $13,300 across 14 sales, down 7.6% from 2026-Q2 ($14,400).