AUDI A6 (2004-09) 5DR AVANT 2.0 TDI TDV S LINE

Buyer's Guide & Data from our Checks
The AUDI A6 (2004-09) 5DR AVANT 2.0 TDI TDV S LINE is a versatile estate car that belongs to Audi’s executive range, known for combining practicality with a touch of sporty style. Its station wagon body makes it an ideal choice for families or those needing extra cargo space, while the 2.0 TDI engine offers a good balance of fuel efficiency and performance. In the UK market, it is favoured by buyers looking for a premium used car that delivers comfort and reliable daily driving.
According to mycarcheck.com data, this model has been frequently checked, with 848 lookups across 361 different VINs, highlighting its popularity among used car buyers. The average recorded mileage is around 168,000 miles, and its average valuation is approximately £1,100, making it an affordable option in the used car market. Its history of multiple former owners suggests it has been widely used by a variety of drivers, from families to commuting professionals.
What makes the AUDI A6 Avant S LINE stand out is its sporty design and quality build, which often appeals to those wanting comfort without sacrificing style. Known for its responsive drive and spacious interior, it is a reliable choice compared to rivals in its class. With its reputation for durability and balance of performance and economy, this model remains a popular choice for drivers seeking a practical, stylish estate that is suitable for varied needs.
Before buying any AUDI A6 (2004-09) Avant, 2.0 TDI, don’t risk hidden debt, write-offs or undisclosed damage. Enter the reg now to check and protect yourself from costly surprises.
Key Findings
The following statistics are drawn from our checks of 361 different vehicles, run between February 18th 2021 and April 30th 2026. These real-world insights provide context for this vehicle's place in the market, as well as its typical usage.
848
Lookups
Lookups
95
Hidden Histories
Hidden Histories
179k
Average Mileage
Average Mileage
£1,100
Average Valuation
Average Valuation












