Used petrol Audi A4 for sale under £20,000

There are 626 used petrol Audi A4 under £20,000 for sale from UK dealers on AskCar, as of 5 November 2026. Typical asking price £14,000 (the median: half cost less, half cost more). The cheapest is £1,399. AskCar lists 1,489 used Audi A4 across the UK, from 965 dealerships.

The middle half of the 626 cars are priced between £10,000 and £17,500.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

217 of the 626 cars had their price reduced in the last 14 days to 5 November 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202386£18,000£17,000 to £19,300
202262£17,800£16,000 to £19,000
202142£17,000£15,300 to £18,000
202052£17,500£16,400 to £18,100
201991£14,500£13,000 to £16,000
201868£11,300£10,400 to £13,100
201771£10,500£9,100 to £12,500
201654£8,400£7,400 to £11,300

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 1,427 priced Audi A4 adverts on AskCar as of 5 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 A4 by gearbox, fuel and body

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