The AUDI A4 (2011-15) S4 4DR SALOON QUATTRO 3.0 TFSI SS 333 EU5 STRON AUTO7 is a high-performance, four-door premium saloon: a faster, more powerful take on the mainstream executive Audi A4. It sits alongside rivals such as the BMW 3 Series and Mercedes-Benz C-Class, pairing a discreet look with added pace and all-weather grip. mycarcheck.com has recorded 731 checks covering 205 distinct VINs, offering a useful snapshot of interest in this used S4. The average private-sale valuation is £12,300, with average recorded mileage of 78,000 miles and annual mileage of 6,000. Checks show around three to four previous keepers on average. With its supercharged petrol engine, automatic gearbox and quattro four-wheel drive, the S4 suits drivers wanting brisk commuting and journeys, rather than low-cost motoring. It can suit couples or families needing four doors and a boot, while offering a more engaging drive than an A4. Check history and running costs.