Used Audi A3 for sale under £20,000

There are 4,205 used Audi A3 under £20,000 for sale from UK dealers on AskCar, as of 30 October 2026. Typical asking price £13,900 (the median: half cost less, half cost more). The cheapest is £795. AskCar lists 6,654 used Audi A3 across the UK, from 2,240 dealerships.

The middle half of the 4,205 cars are priced between £9,000 and £17,400.

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

1,567 of the 4,205 cars had their price reduced in the last 14 days to 30 October 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
2024149£18,900£17,700 to £19,600
2023783£18,200£17,000 to £19,200
2022502£17,000£15,700 to £18,400
2021355£16,300£14,700 to £18,000
2020275£15,000£13,400 to £16,500
2019283£13,000£11,000 to £14,600
2018314£12,000£10,000 to £13,500
2017323£10,000£8,600 to £12,000
2016328£8,800£7,500 to £10,300
2015277£7,700£6,400 to £9,500
2014236£7,500£6,200 to £8,800
2013153£6,100£5,000 to £7,600
201248£4,000£2,900 to £5,400
201134£3,900£3,000 to £4,500
201031£3,000£2,300 to £4,400
200926£3,000£2,100 to £3,900
200720£2,900£2,500 to £3,500

Cars for sale now, page 26 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 6,475 priced Audi A3 adverts on AskCar as of 30 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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