Used petrol Audi A3 for sale under £20,000

There are 2,716 used petrol Audi A3 under £20,000 for sale from UK dealers on AskCar, as of 1 November 2026. Typical asking price £15,000 (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 2,716 cars are priced between £10,500 and £18,000.

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.

1,034 of the 2,716 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
2024114£18,800£17,600 to £19,500
2023607£18,300£17,000 to £19,300
2022335£17,000£15,900 to £18,500
2021245£16,600£15,000 to £18,000
2020210£15,100£13,300 to £16,500
2019213£13,400£11,500 to £14,900
2018232£12,200£10,500 to £13,700
2017191£10,500£9,000 to £12,500
2016152£9,300£8,000 to £10,900
2015102£8,500£7,400 to £10,000
2014120£8,000£7,000 to £9,000
201382£6,900£5,600 to £8,400

Cars for sale now, page 24 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 6,516 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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