2017 Audi A3 Cabriolet S Line prices

There are 22 used 2017 Audi A3 Cabriolet S Line cars for sale from UK dealers on AskCar, as of 8 November 2026. Typical asking price £12,400 (the median: half cost less, half cost more). The cheapest is £8,995. The middle half are priced between £10,800 and £15,400. Median mileage: about 55,000 miles.

Dealers lowered the asking price on more than a third of 2017 Audi A3 Cabriolet S Line cars: 8 of the 22 in the 14 days to 8 November 2026.

AskCar lists 249 used Audi A3 Cabriolet across the UK, from 221 dealerships.

As of 8 November 2026, AskCar lists 595,762 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.

2017 Audi A3 Cabriolet S Line cars for sale now, page 1 of 2

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 22 cars listed here meet these rules. Page 2 lists every other 2017 Audi A3 Cabriolet S Line car, cheapest first.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 243 priced Audi A3 Cabriolet adverts on AskCar as of 8 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2017 Audi A3 Cabriolet 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.

Best value 2017 Audi A3 Cabriolet S Line: priced furthest below the AskCar estimate

These 10 are priced 2% to 9% under their AskCar estimate. Their asking prices run from £9,050 to £12,850.

Cheapest 2017 Audi A3 Cabriolet S Line: the lowest asking prices

These 10 are priced £8,995 to £11,495. They have covered 64,000 to 112,000 miles.

Lowest-mileage 2017 Audi A3 Cabriolet S Line

These 10 have covered 17,000 to 53,800 miles. Their asking prices run from £12,250 to £21,985.

Recently reduced 2017 Audi A3 Cabriolet S Line: the biggest price reductions in the 14 days to 8 November 2026

The dealer lowered the asking price on each of these 8 in the 14 days to 8 November 2026. Their reductions since AskCar first saw them run from £100 to £1,400.

Newly advertised 2017 Audi A3 Cabriolet S Line: first seen by AskCar in the 7 days to 8 November 2026

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

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