S4-Swapped 2010 Audi A4 Avant Premium Plus

The 2010 Audi B8 S4 is sold for $24,000 on Bring a Trailer. See Friday's Watchlist AI fair value, deal score, hammer-price prediction, and bidding intelligence for this 2010 Audi B8 S4auction.

This 2010 Audi A4 Avant Premium Plus stands out with its impressive S4 powertrain swap, transforming it into a performance-oriented wagon. With only ~800 miles since the build, this vehicle features a supercharged 3.0-liter V6 engine paired with a seven-speed S Tronic transmission, ensuring a thrilling driving experience. The meticulous two-year build included extensive upgrades such as aftermarket intake, enhanced cooling systems, and S4 seating and interior amenities. Finished in a striking Meteor Gray Pearl Effect, this Avant is perfect for enthusiasts seeking a unique blend of practicality and performance, making it an ideal choice for those who appreciate modified vehicles with a sporty edge.

• Make: Audi
• Model: B8 S4
• Year: 2010
• Transmission: Seven-speed S Tronic
• Engine: ~800 Miles Since the Build
• Drivetrain: AWD
• VIN: WAUWFAFL3AA009784

Seller's description via Bring a Trailer: This 2010 Audi A4 Avant Premium Plus was the subject of a two-year build completed in 2025, during which it was fitted with the powertrain, subframes, instrument cluster, and other interior components of a 120k-mile 2010 Audi S4 donor car. The supercharged 3.0-liter V6 was provided with an aftermark