The AUDI A4 SALOON (2019-25) S4 4DR SALOON QUATTRO 3.0 TDI V6 347 DPFR SS EU6 TIP AUTO8 is a premium, four-door executive saloon: a refined alternative to an SUV, with extra performance over an everyday family car. In the UK it sits among established rivals such as the BMW 3 Series and Mercedes-Benz C-Class. mycarcheck.com records 386 checks covering 96 distinct VINs, a useful sample of vehicles shoppers have researched. The average private-sale valuation was £28,000, with average recorded mileage of 50,000 and annual use of 10,000 miles. Cars checked had about 1.9 previous keepers on average; these figures offer context, not a price guarantee or a verdict on an individual car. This all-weather saloon suits commuters and families seeking comfort and confident year-round travel, while diesel performance appeals on motorways. Against rivals, the S4 pairs discreet styling with brisk, composed driving; check running costs and condition before buying a used car.