This C7-generation Audi S6 Avant is a luxurious yet highly capable modern performance wagon, which has been enhanced with a number of discerning upgrades. Under the bonnet sits an enhanced twin-turbocharged 4.0-litre V8, now delivering over 450kW to all four wheels via a seven-speed dual-clutch automatic transmission with paddle shift. This example was originally a Japan-delivered model, which was recently imported to Australia, where it passed compliance in 2023. The odometer shows a modest 58,157 km from new. Build year: 2013 This C7-era S6 Avant is finished in the timeless shade of Glacier White with brushed aluminium-effect door mirror caps and roof bars, over a black leather-trimmed interior, featuring diamond-quilted seat inserts, embossed ‘S6’ emblems on the front seat backs, contrasting stitching, and brushed aluminium and carbon-fibre trim. It rides on a set of 20-inch twin five-spoke alloy wheels fitted with Bridgestone Potenza tyres. Equipment includes LED headlights and driving lights, front and rear parking sensors, a reversing camera, four-zone automatic air conditioning, heated rear seats, a central Audi Multimedia infotainment system with satellite navigation and Bluetooth connectivity, cruise control, switchable driving modes, a Bose sound system, and electrically adjustable heated front seats with two-position driver memory. This example has been enhanced with CTS Turbo Stage-1 780hp turbochargers, an upgraded CTS Turbo intercooler, a CTS Turbo heat exchanger, a CTS Turbo dual 3-inch intake kit, CTS Turbo downpipes, CEIKA two-piece front brake discs, uprated Dixcel brake pads, a 034 Motorsport rear sway bar, CTS Turbo sport upper and lower control arms, and a tune by European car tuning specialists, Racing Dynamics. The car comes with a space-saver spare wheel, the owner’s manuals, two keys, and the stamped Japanese service booklet. Please refer to the photo gallery to assess the exterior and interior condition. Specific notes from the seller include: the front bumper was resprayed in 2025. The most recent roadworthiness test was in 2023, which is understood to have resulted in a clean pass. The last maintenance was in May 2025 at around 58,000 km. The seller reports that the cam belt was replaced in 2024. This C7-generation Audi S6 Avant is a practical yet searingly fast modern performance wagon, which has been enhanced with several discerning performance upgrades. Presented with a timeless colour scheme, subtle styling, and boasting a spacious and generously appointed cabin alongside an enhanced twin-turbocharged V8 engine, it would make a thrilling yet versatile companion for rapid daily driving, weekend fun, and long-distance road trips alike.