AUDI A6 (2004-09) 5DR AVANT 2.0T FSI 170 S LINE
Buyer's Guide & Data from our Checks
The AUDI A6 (2004-09) 5DR AVANT 2.0T FSI 170 S LINE is a premium five-door estate, offering more luggage space than the A6 saloon while retaining a smart, executive feel. In the UK used-car market, it sits among larger family and business cars, rather than small runabouts or SUVs. Mycarcheck.com recorded 100 look-ups covering 39 distinct VINs, giving a useful snapshot of interest in this model.
The average private-sale valuation in the checks was £1,100, with average recorded mileage of 137,000 and around 4.5 previous keepers. These are historical check averages, not a guaranteed price or condition report, so mileage, maintenance and a vehicle history check matter when viewing one. Annual mileage averaged 5,000.
Roomy and smart, the A6 Avant suits families and commuters needing luggage space and comfort. It offers a premium alternative to mainstream estates, with understated style and a composed drive; compare it with BMW and Mercedes rivals.
Considering an Audi A6 Avant? Outstanding finance, write-offs, hidden damage, mileage discrepancies or theft can 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 39 different vehicles, run between February 22nd 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.
100
Lookups
Lookups
4
Hidden Histories
Hidden Histories
141k
Average Mileage
Average Mileage
£1,100
Average Valuation
Average Valuation
