Audi S4 (B6)
Showing 25-48 of 147 listings
2004 Audi S4 - Quattro Sedan 4D
El Sobrante, CA
2004 Audi S4 quattro Sedan AWD
Snellville, GA
2005 Audi S4 - Quattro Cabriolet 2D
Tacoma, WA
2005 Audi S4 - Quattro Cabriolet 2D
Tacoma, WA
2004 Audi S4 quattro AWD 4dr Sedan
Everett, WA
2005 Audi S4 (2005.5) - Quattro Sedan 4D
West Dundee, IL
2004 Audi S4
Jamaica, NY
2005 Audi S4 - Quattro Sedan 4D
Putnam, CT
2004 Audi S4
Everett, WA
2005 Audi S4 - Quattro Sedan 4D
Everett, WA
2005 Audi S4 - Premium Plus Sedan 4D
Fort Lauderdale, FL
2004 Audi S4 - Quattro Sedan 4D
Aurora, CO
2005 Audi S4 (2005.5) - Quattro Sedan 4D
Westminster, CO
2005 Audi S4
Feasterville-Trevose, PA
2004 Audi S4 Standard
Everett, WA
2005 Audi S4 Standard
Greenwood Village, CO
2005 Audi S4 - Avant Quattro Wagon 4D
Englewood, NJ
2005 Audi S4 - Quattro Cabriolet 2D
Greenwich, CT
2004 Audi s4 quattro cabriolet
Pompano Beach, FL
2005 Audi S4 - Quattro Cabriolet 2D
Peabody, MA
2005 Audi S4
Unknown
Used 2004 Audi S4 Sedan
Coconut Creek, FL
2005 Audi S4 - 4.2 v8
Denver, CO
2004 Audi S4 - Quattro Sedan 4D
El Sobrante, CA
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), CarGurus (19), eBay Motors (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).
| Quarter | Sales | Median Price | Average Price |
|---|---|---|---|
| 2024-Q4 | 5 | $8,000 | $13,600 |
| 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 |