Used automatic Audi A3 for sale under £20,000

There are 2,100 used automatic Audi A3 under £20,000 for sale from UK dealers on AskCar, as of 8 November 2026. Typical asking price £16,000 (the median: half cost less, half cost more). The cheapest is £1,895. AskCar lists 6,811 used Audi A3 across the UK, from 2,296 dealerships.

The middle half of the 2,100 cars are priced between £11,400 and £18,300.

As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

843 of the 2,100 cars had their price reduced in the last 14 days to 8 November 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202486£19,000£18,000 to £19,700
2023500£18,500£17,500 to £19,500
2022282£17,400£15,500 to £19,000
2021237£17,000£15,400 to £18,500
2020128£16,400£14,300 to £17,500
2019143£14,400£13,000 to £15,500
2018137£13,000£11,000 to £14,800
2017120£11,300£9,600 to £14,000
2016115£9,500£8,500 to £11,500
2015111£9,200£8,100 to £10,900
2014112£8,400£7,400 to £9,600
201353£7,400£6,500 to £8,500

Cars for sale now, page 3 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 6,620 priced Audi A3 adverts on AskCar as of 8 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.

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