2020 Mazda CX-30 prices under £15,000

There are 92 used 2020 Mazda CX-30 cars for sale under £15,000 from UK dealers on AskCar, as of 6 November 2026. Typical asking price £12,800 (the median: half cost less, half cost more). The cheapest is £8,990. The middle half are priced between £11,700 and £14,000. Median mileage: about 46,000 miles.

Dealers lowered the asking price on more than a third of 2020 Mazda CX-30 cars under £15,000: 45 of the 92 in the 14 days to 6 November 2026.

AskCar lists 1,576 used Mazda CX-30 across the UK, from 530 dealerships.

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.

2020 Mazda CX-30 cars for sale now under £15,000, page 1 of 2

This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage, recently reduced and newly advertised. A car in more than one group is listed in full once. The groups pick only from cars with photos and an AskCar estimate, priced at £500 or more and no more than 25% under that estimate. All 90 cars listed here meet these rules. Page 2 lists every other 2020 Mazda CX-30 car, cheapest first.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 1,554 priced Mazda CX-30 adverts on AskCar as of 6 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2020 Mazda CX-30.

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. Each car's AskCar page has its full price history and cheaper cars like it.

This list leaves out 2 cars whose advertised mileage is lower than the mileage recorded at their last MOT test.

Best value 2020 Mazda CX-30: priced furthest below the AskCar estimate

These 10 are priced 5% to 8% under their AskCar estimate. Their asking prices run from £10,199 to £14,499.

Cheapest 2020 Mazda CX-30: the lowest asking prices

These 10 are priced £8,990 to £10,499. They have covered 61,736 to 94,000 miles.

Lowest-mileage 2020 Mazda CX-30

These 10 have covered 17,268 to 28,950 miles. Their asking prices run from £12,750 to £14,998.

Recently reduced 2020 Mazda CX-30: the biggest price reductions in the 14 days to 6 November 2026

The dealer lowered the asking price on each of these 10 in the 14 days to 6 November 2026. Their reductions since AskCar first saw them run from £1,200 to £3,550.

Newly advertised 2020 Mazda CX-30: first seen by AskCar in the 7 days to 6 November 2026

These 9 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

Mazda CX-30 by gearbox, fuel and body

Mazda CX-30 under £15,000 by gearbox, fuel and body

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2020 Mazda CX-30 by trim

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