2018 Audi A7 S Line prices

There are 22 used 2018 Audi A7 S Line cars for sale from UK dealers on AskCar, as of 7 November 2026. Typical asking price £19,500 (the median: half cost less, half cost more). The cheapest is £13,300. The middle half are priced between £18,500 and £21,500. Median mileage: about 71,000 miles.

Dealers lowered the asking price on more than a quarter of 2018 Audi A7 S Line cars: 7 of the 22 in the 14 days to 7 November 2026.

2018 Audi A7 S Line against other years

A 2019 Audi A7 S Line car has a typical asking price of £22,000, as of 7 November 2026.

AskCar lists 364 used Audi A7 across the UK, from 294 dealerships.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2018 Audi A7 S Line cars for sale now

This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage, recently reduced and newly advertised. A car in more than one group is listed in full once. The groups pick only from cars with photos and an AskCar estimate, priced at £500 or more and no more than 25% under that estimate. All 21 cars listed here meet these rules.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 348 priced Audi A7 adverts on AskCar as of 7 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2018 Audi A7 S Line.

Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer and town; AskCar page. Each car's AskCar page has its full price history and cheaper cars like it.

This list leaves out 1 car whose advertised mileage is lower than the mileage recorded at its last MOT test.

Best value 2018 Audi A7 S Line: priced furthest below the AskCar estimate

Their asking prices run from £13,300 to £25,694.

Cheapest 2018 Audi A7 S Line: the lowest asking prices

These 10 are priced £13,300 to £19,495. They have covered 74,970 to 113,000 miles.

Lowest-mileage 2018 Audi A7 S Line

These 10 have covered 22,589 to 65,854 miles. Their asking prices run from £19,500 to £25,994.

Recently reduced 2018 Audi A7 S Line: the biggest price reductions in the 14 days to 7 November 2026

The dealer lowered the asking price on each of these 7 in the 14 days to 7 November 2026. Their reductions since AskCar first saw them run from £70 to £2,419.

Newly advertised 2018 Audi A7 S Line: first seen by AskCar in the 7 days to 7 November 2026

These 2 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

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