Used Audi A3 saloon for sale under £20,000

There are 664 used Audi A3 saloon under £20,000 for sale from UK dealers on AskCar, as of 29 October 2026. Typical asking price £15,000 (the median: half cost less, half cost more). The cheapest is £3,975. AskCar lists 6,724 used Audi A3 across the UK, from 2,304 dealerships.

The middle half of the 664 cars are priced between £10,500 and £18,000.

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.

253 of the 664 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
202424£19,000£18,600 to £19,600
202393£18,800£17,300 to £19,500
202289£18,400£16,800 to £19,500
202186£16,800£15,500 to £18,300
202040£15,700£14,300 to £17,000
201956£14,500£12,800 to £15,600
201851£11,800£10,100 to £13,400
201770£11,000£10,000 to £13,000
201664£9,600£8,400 to £11,000
201547£9,000£8,500 to £10,600
201434£8,000£7,500 to £8,900

Cars for sale now, page 1 of 7

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.

Audi A3 by gearbox, fuel and body

Audi A3 saloon by price

Audi A3 prices by year

Audi A3 by price

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