2020 Audi A3 Cabriolet prices

There are 7 used 2020 Audi A3 Cabriolet cars for sale from UK dealers on AskCar, as of 6 November 2026. The cheapest is £14,295.

Dealers lowered the asking price on more than a third of 2020 Audi A3 Cabriolet cars: 3 of the 7 in the 14 days to 6 November 2026.

AskCar lists 245 used Audi A3 Cabriolet across the UK, from 215 dealerships.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2020 Audi A3 Cabriolet 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. 5 of the 6 cars listed here meet these rules. Page 2 lists every other 2020 Audi A3 Cabriolet car, cheapest first, including the one the groups do not pick from.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 238 priced Audi A3 Cabriolet adverts on AskCar as of 6 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2020 Audi A3 Cabriolet.

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 2020 Audi A3 Cabriolet: priced furthest below the AskCar estimate

These 5 are priced 1% to 11% under their AskCar estimate. Their asking prices run from £14,295 to £20,281.

Cheapest 2020 Audi A3 Cabriolet: the lowest asking prices

These 5 are priced £14,295 to £20,281. They have covered 26,000 to 72,709 miles.

Lowest-mileage 2020 Audi A3 Cabriolet

These 5 have covered 26,000 to 72,709 miles. Their asking prices run from £14,295 to £20,281.

Recently reduced 2020 Audi A3 Cabriolet: the biggest price reductions in the 14 days to 6 November 2026

The dealer lowered the asking price on each of these 3 in the 14 days to 6 November 2026. Their reductions since AskCar first saw them run from £2,100 to £2,250.

Newly advertised 2020 Audi A3 Cabriolet: first seen by AskCar in the 7 days to 6 November 2026

This car is the most recently advertised.

Audi A3 Cabriolet by gearbox, fuel and body

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