The AUDI RS3 (2015-21) is a high-performance version of Audi’s premium compact hatchback, bringing sports-car pace to a practical five-door shape. In the UK, it sits above ordinary family hatchbacks and competes with the Mercedes-AMG A45 and BMW M2, appealing to drivers who want everyday usability with extra excitement. mycarcheck.com records 20,441 look-ups covering 3,928 distinct VINs, a substantial sample of interest in used RS3s. Checks show an average private-sale valuation of £28,600 and average recorded mileage of 42,000 miles; typical annual mileage is 6,000. The cars have had 3.3 previous keepers on average, useful context when comparing individual examples. Its distinctive sound, acceleration and smart cabin make it feel special, while rear seats and boot suit commuting, weekend trips and small families. It’s best for buyers happy to pay more for performance and running costs than a standard A3. Against rivals, the RS3 combines genuinely strong speed with year-round practicality.