Used petrol Audi Q3 for sale under £20,000

There are 945 used petrol Audi Q3 under £20,000 for sale from UK dealers on AskCar, as of 30 October 2026. Typical asking price £14,900 (the median: half cost less, half cost more). The cheapest is £2,495. AskCar lists 3,504 used Audi Q3 across the UK, from 1,613 dealerships.

The middle half of the 945 cars are priced between £11,300 and £18,000.

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

360 of the 945 cars had their price reduced in the last 14 days to 30 October 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202323£19,000£18,300 to £19,900
202260£18,700£17,300 to £19,500
2021115£18,400£16,800 to £19,500
2020110£18,000£16,500 to £19,000
2019179£16,500£14,800 to £17,700
2018150£13,000£11,800 to £14,500
2017101£12,000£10,500 to £13,500
201652£10,000£8,400 to £11,400
201556£9,900£8,800 to £11,000
201444£8,500£7,000 to £9,500
201331£8,500£7,500 to £9,000

Cars for sale now, page 7 of 10

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 3,459 priced Audi Q3 adverts on AskCar as of 30 October 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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