Used Audi A4 for sale under £20,000

There are 1,147 used Audi A4 under £20,000 for sale from UK dealers on AskCar, as of 10 November 2026. Typical asking price £12,000 (the median: half cost less, half cost more). The cheapest is £997. AskCar lists 1,443 used Audi A4 across the UK, from 965 dealerships.

The middle half of the 1,147 cars are priced between £8,000 and £16,500.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

360 of the 1,147 cars had their price reduced in the last 14 days to 10 November 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202394£18,000£17,000 to £19,500
202276£17,900£16,000 to £19,000
202174£16,900£15,500 to £18,000
202088£17,000£15,500 to £18,000
2019149£14,000£12,400 to £16,000
2018102£11,500£10,000 to £13,500
2017130£10,300£9,000 to £12,500
2016154£9,000£7,500 to £11,000
201559£9,000£6,000 to £10,000
201464£7,000£5,600 to £7,900
201352£6,400£5,500 to £8,000
201226£5,000£4,100 to £6,400

Cars for sale now, page 2 of 12

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 1,388 priced Audi A4 adverts on AskCar as of 10 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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Audi A4 by gearbox, fuel and body

Audi A4 under £20,000 by gearbox, fuel and body

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