Used Audi A3 for sale under £20,000 near Hillingdon

There are 355 used Audi A3 under £20,000 for sale from UK dealers within 20 miles of Hillingdon on AskCar, as of 10 November 2026. Typical asking price £11,500 (the median: half cost less, half cost more). The cheapest is £1,600. AskCar lists 6,789 used Audi A3 across the UK, from 2,285 dealerships.

The middle half of the 355 cars are priced between £8,300 and £15,800.

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.

Price reductions near Hillingdon

121 of the 355 Audi A3 within 20 miles of Hillingdon had their price reduced in the last 14 days to 10 November 2026. Of those priced between £1,000 and £60,000, these 8 have the biggest reductions in pounds since AskCar first saw them.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202341£18,000£16,300 to £18,800
202230£16,400£15,200 to £17,700
202127£16,000£14,300 to £17,400
202022£15,000£13,700 to £16,200
201925£12,900£11,500 to £14,900
201829£11,500£10,000 to £13,200
201733£9,000£8,500 to £12,000
201636£9,000£8,300 to £10,500
201522£9,400£8,300 to £10,300
201430£7,900£6,700 to £9,000
201320£7,300£6,500 to £8,100

Cars for sale now, page 1 of 4

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 6,629 priced Audi A3 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, town and distance; AskCar page.

Cheaper cars like each one, with its price history, are on its AskCar page.

Audi A3 near Hillingdon by price

Audi A3 across the UK by price

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