AUDI A6 (2004-09) 4DR SALOON 2.7 V6 TDI 180 SLINE

Buyer's Guide & Data from our Checks
The AUDI A6 (2004-09) 4DR SALOON 2.7 V6 TDI 180 SLINE is a large, premium four-door saloon, aimed at buyers wanting more space and comfort than a family hatchback. In the UK used market it sits among executive cars, competing with saloons such as the BMW 5 Series and Mercedes-Benz E-Class. Its S line trim gives the A6 a sportier look, while the V6 diesel is designed for relaxed, strong-paced journeys.
It’s well suited to commuters, business drivers and families who regularly cover longer distances and value a quiet, comfortable cabin. Mycarcheck.com records 177 look-ups across 49 different VINs, offering a useful sample of interest in this model. The checks show an average recorded mileage of 136,000 miles and around 8,000 miles driven annually; the average number of previous keepers is just over six.
Mycarcheck.com data suggests an average private-sale valuation of £1,400, but condition and history still matter when buying one.
Before buying an Audi A6, check for outstanding finance, write-offs, hidden damage, mileage discrepancies or theft. Enter the reg now—skipping the check could leave you with a costly problem.
Key Findings
The following statistics are drawn from our checks of 49 different vehicles, run between February 28th 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.
177
Lookups
Lookups
16
Hidden Histories
Hidden Histories
140k
Average Mileage
Average Mileage
£1,400
Average Valuation
Average Valuation












