Used automatic Audi A3 for sale under £20,000

There are 2,084 used automatic Audi A3 under £20,000 for sale from UK dealers on AskCar, as of 4 November 2026. Typical asking price £15,800 (the median: half cost less, half cost more). The cheapest is £1,995. AskCar lists 6,774 used Audi A3 across the UK, from 2,309 dealerships.

The middle half of the 2,084 cars are priced between £11,000 and £18,100.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

804 of the 2,084 cars had their price reduced in the last 14 days to 4 November 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202471£18,900£17,800 to £19,600
2023473£18,500£17,500 to £19,400
2022279£17,200£15,700 to £19,000
2021232£17,000£15,500 to £18,200
2020130£16,200£14,300 to £17,500
2019142£14,400£13,000 to £15,500
2018134£13,000£11,300 to £14,600
2017134£11,300£9,800 to £13,600
2016122£9,700£8,700 to £11,500
2015112£9,000£8,000 to £10,900
2014119£8,400£7,500 to £9,500
201360£7,400£6,300 to £8,500

Cars for sale now, page 1 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 6,630 priced Audi A3 adverts on AskCar as of 4 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.

Audi A3 by gearbox, fuel and body

Automatic Audi A3 by price

Audi A3 prices by year

Audi A3 by price

Audi A3 near you

Automatic cars and vans under £20,000

More Audi

Same budget

Everything