AUDI A6 (2004-09) 4DR SALOON 3.0 TDI QUATTRO SE

Buyer's Guide & Data from our Checks
The AUDI A6 (2004-09) 4DR SALOON 3.0 TDI QUATTRO SE is a large premium diesel saloon, aimed at buyers wanting more space and comfort than a family hatchback. In the UK used-car market it sits alongside the BMW 5 Series and Mercedes-Benz E-Class, offering executive-car appeal.
With its six-cylinder diesel engine and quattro four-wheel drive, it is suited to long-distance commuting, motorway trips and family journeys, especially when weather or road conditions are changeable. The SE trim and spacious four-door cabin make it a comfortable choice for drivers who value a refined, confident drive over convenience.
Mycarcheck.com records 21 look-ups covering 15 VINs, with average mileage of 151,000 and about 7,000 miles annually. The private-sale valuation averages £1,200, while cars checked had around 4.8 previous keepers. These figures offer context, but condition and history matter. Compared with rivals, the A6 stands out for all-weather traction and relaxed long-distance touring comfort.
Considering an Audi A6? Outstanding finance, write-off history, hidden damage, mileage discrepancies or theft could turn a bargain into a costly mistake. Enter the reg now and check before you buy.
Key Findings
The following statistics are drawn from our checks of 15 different vehicles, run between February 17th 2021 and October 31st 2026. These real-world insights provide context for this vehicle's place in the market, as well as its typical usage.
21
Lookups
Lookups
0
Hidden Histories
Hidden Histories
159k
Average Mileage
Average Mileage
£1,200
Average Valuation
Average Valuation












