The AUDI A6 (2004-09) 4DR SALOON 2.4 V6 177 SE MTRON AUTO is a premium four-door saloon, aimed at buyers wanting more space and comfort than a hatchback. In the UK used-car market, it sits among executive cars such as the BMW 5 Series and Mercedes-Benz E-Class, offering an understated alternative. mycarcheck.com records 303 lookups covering 89 distinct VINs, giving a useful snapshot of cars checked. The average private-sale valuation is £900, with 126,000 miles recorded and around 8,000 miles driven annually; cars have had about five previous keepers on average. These figures describe checked examples, not every A6 in Britain. The V6 petrol engine and automatic gearbox suit motorway journeys, while the SE trim brings a comfortable, well-appointed feel. This A6 saloon works for commuters, couples or families needing a boot and rear-seat room, rather than fuel economy. Against rivals, age and upkeep matter, so check history and condition before buying.