Audi S4 (B6)

audi 2003-2005

147 Listings
$6,995 Avg Price
$750 From

Showing 145-147 of 147 listings

Used 2004 Audi S4 Quattro Cabriolet 2D
$8,500

Used 2004 Audi S4 Quattro Cabriolet 2D

Marysville, OH

Used 2004 Audi S4 Premium Plus
$18,900

Used 2004 Audi S4 Premium Plus

Omaha, NE

2005 Audi S4 Quattro Sedan 4D
$6,995

2005 Audi S4 Quattro Sedan 4D

Dallas, TX

Audi S4 (B6) Market Overview

Built by Audi from 2003-2005, the Audi S4 (B6) is tracked across 147 active listings from 12 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 April 2026, the median asking price for a Audi S4 (B6) is $7,995, with an average of $9,010. The middle 50% of listings (25th to 75th percentile) are priced between $5,884 and $10,995. The median mileage across active listings is 112,246 miles. Listings spend an average of 243 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: FL (19), CA (17), WA (16), CO (14), GA (9). Listings are sourced from Facebook Marketplace (67), eBay Motors (19), CarGurus (19), Cars.com (12), TrueCar (12), AutoTrader (7).

Audi S4 (B6) by Model Year

The most commonly listed model year is 2004 with 66 listings. Year breakdown: 2004 (66 listings), 2005 (65 listings), 2003 (3 listings).

Audi S4 (B6) Sales History

CarSearch.Pro tracks 151 historical Audi S4 (B6) sales from auction houses and dealer records. In 2026-Q1, the median sale price was $14,000 across 7 sales, up 30.2% from 2025-Q4 ($10,750).

Audi S4 (B6) Quarterly Sale Prices
QuarterSalesMedian PriceAverage Price
2024-Q45$8,000$13,600
2025-Q19$18,250$17,968
2025-Q26$13,250$11,665
2025-Q312$19,888$17,875
2025-Q421$10,750$13,836
2026-Q17$14,000$15,371