AUDI A4 (2005-08) 4DR SALOON 2.0 TDI 170 S LINE

Buyer's Guide & Data from our Checks
The AUDI A4 (2005-08) 4DR SALOON 2.0 TDI 170 S LINE is a popular executive saloon that has established itself as a refined and versatile vehicle in the UK market. Known for its sleek design and comfortable cabin, it appeals to a wide range of drivers, including professionals and small families. Its reputation for a smooth driving experience and good fuel economy makes it ideal for both everyday commuting and longer trips. The model’s distinctive S line trim enhances its sporty appearance, setting it apart from more standard versions, and adding to its appeal for those wanting style alongside practicality.
Based on data from over 1,000 checks on mycarcheck.com, the vehicle has a significant presence, with 488 distinct VINs indicating many owners and usage histories. The average recorded mileage of around 143,000 miles suggests a vehicle that has been well-used but maintained over its lifespan. The typical private sale value of roughly £1,200 indicates affordability, and with nearly six years of annual driving, it’s seen steady use. Although it has had approximately six previous owners, this is common with vehicles of this age.
What makes the AUDI A4 2.0 TDI S LINE stand out against rivals is its combination of elegant design, reliable performance, and impressive fuel efficiency. It offers a premium feel within its class, making it a favourite among those looking for a balance of luxury and economy. Its popularity with used car buyers is reinforced by its enduring reputation for comfort and driving enjoyment, positioning it as a solid choice for daily driving or general use in the UK.
Key Findings
The following statistics are drawn from our checks of 488 different vehicles, run between February 17th 2021 and February 28th 2026. These real-world insights provide context for this vehicle's place in the market, as well as its typical usage.
1,056
Lookups
Lookups
175
Hidden Histories
Hidden Histories
152k
Average Mileage
Average Mileage
£1,200
Average Valuation
Average Valuation












