Used automatic Audi A3 for sale under £20,000

There are 2,044 used automatic Audi A3 under £20,000 for sale from UK dealers on AskCar, as of 29 October 2026. Typical asking price £15,500 (the median: half cost less, half cost more). The cheapest is £1,995. AskCar lists 6,724 used Audi A3 across the UK, from 2,304 dealerships.

The middle half of the 2,044 cars are priced between £11,000 and £18,200.

As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

795 of the 2,044 cars had their price reduced in the last 14 days to 29 October 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202464£18,900£17,900 to £19,600
2023452£18,500£17,500 to £19,400
2022270£17,500£16,000 to £19,000
2021235£17,000£15,200 to £18,400
2020116£16,000£14,400 to £17,000
2019137£14,200£12,900 to £15,300
2018135£12,800£11,100 to £14,500
2017135£11,000£9,800 to £13,500
2016117£9,800£8,900 to £11,500
2015123£9,000£8,000 to £10,700
2014118£8,300£7,500 to £9,500
201367£7,400£6,400 to £8,500

Cars for sale now, page 6 of 21

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 6,508 priced Audi A3 adverts on AskCar as of 29 October 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.

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