Used Audi A4 for sale under £20,000

There are 1,180 used Audi A4 under £20,000 for sale from UK dealers on AskCar, as of 6 November 2026. Typical asking price £12,000 (the median: half cost less, half cost more). The cheapest is £895. AskCar lists 1,490 used Audi A4 across the UK, from 974 dealerships.

The middle half of the 1,180 cars are priced between £8,100 and £16,500.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

367 of the 1,180 cars had their price reduced in the last 14 days to 6 November 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202396£18,000£17,000 to £19,500
202272£18,000£16,100 to £19,000
202180£16,800£15,200 to £18,000
202097£17,000£15,300 to £18,000
2019151£14,300£12,500 to £16,000
2018108£11,500£10,400 to £13,400
2017135£10,400£9,000 to £12,500
2016154£9,300£7,500 to £11,100
201565£9,000£6,000 to £10,000
201464£7,000£5,600 to £8,100
201356£6,500£5,500 to £8,000
201227£5,000£4,000 to £6,400

Cars for sale now, page 1 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 1,435 priced Audi A4 adverts on AskCar as of 6 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

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

Audi A4 prices by year

Audi A4 by price

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