Used petrol Audi A3 for sale under £20,000

There are 2,739 used petrol Audi A3 under £20,000 for sale from UK dealers on AskCar, as of 9 November 2026. Typical asking price £15,000 (the median: half cost less, half cost more). The cheapest is £795. AskCar lists 6,708 used Audi A3 across the UK, from 2,266 dealerships.

The middle half of the 2,739 cars are priced between £10,500 and £18,000.

As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

1,092 of the 2,739 cars had their price reduced in the last 14 days to 9 November 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
2024137£19,000£17,600 to £19,600
2023612£18,400£17,000 to £19,400
2022318£17,000£15,500 to £18,500
2021244£16,600£15,000 to £18,000
2020216£15,000£13,400 to £16,600
2019215£13,500£11,500 to £15,000
2018230£12,000£10,500 to £13,600
2017190£10,500£8,700 to £12,500
2016148£9,000£8,000 to £10,700
2015103£8,600£7,400 to £10,000
2014127£8,000£6,900 to £9,000
201377£7,000£5,500 to £8,500

Cars for sale now, page 1 of 28

Best value first: the cars priced furthest below their AskCar estimate come first, and those without one come after. The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 6,554 priced Audi A3 adverts on AskCar as of 9 November 2026.

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.

Cheaper cars like each one, with its price history, are on its AskCar page.

Audi A3 by gearbox, fuel and body

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