Used Mazda Mazda3 for sale under £20,000

There are 1,070 used Mazda Mazda3 under £20,000 for sale from UK dealers on AskCar, as of 10 November 2026. Typical asking price £11,500 (the median: half cost less, half cost more). The cheapest is £690. AskCar lists 1,238 used Mazda Mazda3 across the UK, from 678 dealerships.

The middle half of the 1,070 cars are priced between £7,400 and £16,000.

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.

353 of the 1,070 cars had their price reduced in the last 14 days to 10 November 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202686£18,500£18,100 to £19,200
2025100£17,000£16,000 to £18,000
202429£17,300£16,400 to £18,600
202397£16,400£15,400 to £17,800
202252£14,700£13,500 to £16,500
202154£14,000£11,900 to £15,200
202073£12,800£11,500 to £13,900
201961£12,000£10,500 to £13,500
201871£10,000£8,300 to £12,000
2017104£8,500£7,400 to £10,500
201694£8,000£6,300 to £9,500
201597£6,200£5,200 to £7,800
201464£5,800£4,600 to £7,400

Cars for sale now, page 2 of 11

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 1,206 priced Mazda Mazda3 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 and town; AskCar page.

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

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Mazda Mazda3 by gearbox, fuel and body

Mazda Mazda3 under £20,000 by gearbox, fuel and body

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