Used diesel Audi A5 for sale under £20,000

There are 644 used diesel Audi A5 under £20,000 for sale from UK dealers on AskCar, as of 6 November 2026. Typical asking price £11,500 (the median: half cost less, half cost more). The cheapest is £1,150. AskCar lists 1,927 used Audi A5 across the UK, from 1,078 dealerships.

The middle half of the 644 cars are priced between £7,800 and £15,700.

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.

181 of the 644 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
202157£18,500£16,800 to £19,000
202053£17,000£16,000 to £18,200
201960£15,500£13,000 to £17,000
201859£13,000£11,600 to £14,600
2017125£11,700£10,200 to £13,500
201667£9,500£8,000 to £11,200
201565£8,000£6,700 to £9,000
201442£7,000£5,600 to £8,000
201340£6,500£5,500 to £7,200
201228£5,500£4,500 to £6,400

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 1,877 priced Audi A5 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 A5 by gearbox, fuel and body

Diesel Audi A5 by price

Audi A5 prices by year

Audi A5 by price

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