Used automatic Mazda CX-30 for sale under £20,000

There are 342 used automatic Mazda CX-30 under £20,000 for sale from UK dealers on AskCar, as of 7 November 2026. Typical asking price £17,500 (the median: half cost less, half cost more). The cheapest is £9,495. AskCar lists 1,589 used Mazda CX-30 across the UK, from 529 dealerships.

The middle half of the 342 cars are priced between £16,200 and £18,900.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

155 of the 342 cars had their price reduced in the last 14 days to 7 November 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202633£19,100£18,800 to £19,400
202556£18,300£17,000 to £19,000
202436£18,500£17,700 to £19,300
202399£17,900£16,800 to £19,000
202266£16,900£15,800 to £17,600
202124£15,400£14,600 to £16,900
202026£14,800£14,000 to £15,900

Cars for sale now, page 2 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 1,536 priced Mazda CX-30 adverts on AskCar as of 7 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 CX-30 by gearbox, fuel and body

Automatic Mazda CX-30 by price

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