The AUDI A4 (2001-05) 4DR SALOON 1.8T 163 SE MTRON AUTO is a compact executive four-door saloon: a more grown-up, premium-feeling alternative to mainstream family cars, rather than a hatchback or SUV. Its automatic gearbox and four-door layout suit everyday driving. Under the bonnet, its turbocharged petrol engine gives brisk, flexible performance, while SE trim aims for a comfortable, well-equipped feel. It can work well for commuters, couples or small families wanting a refined motorway car, though age, running costs and condition matter more than the badge. In mycarcheck.com data, 11 lookups covered seven distinct VINs, so the sample is useful context but small. Checks show average recorded mileage of 105,000 miles, annual use of 4,000 miles and about five previous keepers. Average private-sale valuation: £300, a snapshot, not a guaranteed price. Against BMW and Mercedes rivals, the A4 is known for understated styling and comfort; check service history carefully.