Used Audi A3 for sale under £20,000

There are 4,204 used Audi A3 under £20,000 for sale from UK dealers on AskCar, as of 1 November 2026. Typical asking price £14,000 (the median: half cost less, half cost more). The cheapest is £795. AskCar lists 6,654 used Audi A3 across the UK, from 2,245 dealerships.

The middle half of the 4,204 cars are priced between £9,000 and £17,400.

As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

1,543 of the 4,204 cars had their price reduced in the last 14 days to 1 November 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
2024153£18,900£17,700 to £19,600
2023790£18,300£17,000 to £19,200
2022499£17,000£15,500 to £18,300
2021351£16,200£14,700 to £18,000
2020281£15,000£13,300 to £16,700
2019290£13,100£11,000 to £14,800
2018315£11,900£10,000 to £13,500
2017319£10,000£8,500 to £12,000
2016320£8,800£7,500 to £10,300
2015268£7,800£6,500 to £9,500
2014240£7,500£6,200 to £8,800
2013150£6,000£4,900 to £7,500
201250£3,900£3,000 to £5,300
201134£3,900£3,000 to £4,500
201030£3,000£2,300 to £4,400
200927£3,000£2,200 to £3,800
200820£2,700£2,000 to £4,000
200720£2,900£2,500 to £3,500

Cars for sale now, page 41 of 43

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 6,516 priced Audi A3 adverts on AskCar as of 1 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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