Audi S4 (B6)
Showing 25-48 of 229 listings
2004 Audi S4 - Sedan
Loveland, CO
2004 Audi S4 - Quattro Premium Plus Sedan 4D
Bronx, NY
2005 Audi S4 quattro AWD 4dr Sedan
Everett, WA
2004 Audi S4 - Quattro Sedan 4D
Fort Lauderdale, FL
2004 Audi S4 - Quattro Special Edition Sedan 4D
Atlanta, GA
2004 Audi S4 - Quattro Premium Plus Sedan 4D
Muskegon, MI
2004 Audi S4 - Prestige Sedan 4D
West Oneonta, NY
2004 Audi S4 - Premium Plus Sedan 4D
Middlesex, NJ
2005 Audi S4 - Quattro Sedan 4D
Lansing, MI
2005 Audi S4 - Premium Sedan 4D
New Haven, CT
2004 Audi S4 - Quattro Sedan 4D
Puyallup, WA
2005 Audi S4 (2005.5) - Quattro Sedan 4D
Columbia, CT
2004 Audi S4 - Quattro Sedan 4D
Oswego, IL
2004 Audi S4 - Quattro Sedan 4D
Spanaway, WA
2004 Audi S4
Franklin, TN
2005 Audi S4 quattro Cabriolet AWD
Milwaukie, OR
2004 Audi S4 - Quattro Sedan 4D
Lubbock, TX
2004 Audi S4
Dublin, CA
2004 Audi S4 Sedan
Franklin, Tennessee
2004 Audi S4 - Premium Plus Sedan 4D
Middlesex, NJ
2005 Audi S4 - Quattro Cabriolet 2D
New Concord, OH
2005 Audi S4 - Quattro Sedan 4D
Fallbrook, CA
2005 Audi S4 - Quattro Cabriolet 2D
Murrieta, CA
2005 Audi S4 (2005.5) - Quattro Sedan 4D
Westminster, CO
Audi S4 (B6) Market Overview
Built by Audi from 2003-2005, the Audi S4 (B6) is tracked across 229 active listings from 8 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 May 2026, the median asking price for a Audi S4 (B6) is $6,500, with an average of $8,522. The middle 50% of listings (25th to 75th percentile) are priced between $4,000 and $10,000. The median mileage across active listings is 123,000 miles. Listings spend an average of 287 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 (25), CA (24), NY (18), FL (17), PA (15). Listings are sourced from Facebook Marketplace (173), CarGurus (21), AutoTrader (13), Cars.com (11), Classic.com (5), TrueCar (2).
Audi S4 (B6) by Model Year
The most commonly listed model year is 2004 with 116 listings. Year breakdown: 2004 (116 listings), 2005 (101 listings), 2003 (4 listings).
Audi S4 (B6) Sales History
CarSearch.Pro tracks 154 historical Audi S4 (B6) sales from auction houses and dealer records. In 2026-Q2, the median sale price was $11,000 across 3 sales, down 21.4% from 2026-Q1 ($14,000).
| Quarter | Sales | Median Price | Average Price |
|---|---|---|---|
| 2025-Q1 | 9 | $18,250 | $17,968 |
| 2025-Q2 | 6 | $13,250 | $11,665 |
| 2025-Q3 | 12 | $19,888 | $17,875 |
| 2025-Q4 | 21 | $10,750 | $13,836 |
| 2026-Q1 | 7 | $14,000 | $15,371 |
| 2026-Q2 | 3 | $11,000 | $9,500 |