2020 Mazda CX-30 prices

There are 106 used 2020 Mazda CX-30 cars for sale from UK dealers on AskCar, as of 6 November 2026. Typical asking price £13,000 (the median: half cost less, half cost more). The cheapest is £8,990. The middle half are priced between £11,900 and £14,500. Median mileage: about 43,000 miles.

Dealers lowered the asking price on more than a third of 2020 Mazda CX-30 cars: 50 of the 106 in the 14 days to 6 November 2026.

2020 Mazda CX-30 prices by engine and mileage

A 2020 Mazda CX-30 2.0 petrol car with 20,000 to 40,000 miles typically costs £14,500, against £12,800 with 40,000 to 60,000 miles.

EngineAll mileagesUnder 20,000 miles20,000 to 40,000 miles40,000 to 60,000 miles60,000 miles or more
2.0 petrol£13,000Too few for sale£14,500£12,800Too few for sale

2020 Mazda CX-30 prices by trim

TrimTypical asking price, 2020 cars
GT Sport Tech£14,500
GT Sport£13,200
Sport LUX£12,500
SE L LUXToo few for sale
SE LToo few for sale

Only 9 of the 2020 Mazda CX-30 cars for sale are SE L LUX, too few to give a typical asking price.

Only 1 of the 2020 Mazda CX-30 cars for sale are SE L, too few to give a typical asking price.

Typical asking prices are of 2020 Mazda CX-30 cars for sale on 6 November 2026, and are given only where at least 20 cars with a price are for sale.

2020 Mazda CX-30 against other years

A 2021 Mazda CX-30 car has a typical asking price of £13,900, as of 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, page 1 of 3

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. 102 of the 103 cars listed here meet these rules. Pages 2 to 3 list every other 2020 Mazda CX-30 car, cheapest first, including the one the groups do not pick from.

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 3 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 11% under their AskCar estimate. Their asking prices run from £10,199 to £15,995.

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 10,480 to 24,228 miles. Their asking prices run from £12,750 to £16,490.

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 10 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 prices by year

Mazda CX-30 by trim

2020 Mazda CX-30 by price

2020 Mazda CX-30 by trim

Mazda CX-30 by price

Mazda CX-30 near you

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