2020 Mazda CX-30 2.0 SKYACTIV-X MHEV GT Sport

Price: £12,427. Fair price: £631 (4%) under the AskCar estimate of £13,058, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,559 priced Mazda CX-30 adverts on AskCar as of 4 November 2026.

AskCar lists 1,584 used Mazda CX-30 from 530 UK dealerships, as of 4 November 2026.

Overview

  • Make: Mazda
  • Model: CX-30
  • Trim: GT Sport
  • Version: 2.0 Skyactiv-x Mhev GT Sport Manual FWD Euro 6 (s/s) 5dr (178 bhp)
  • Year: 2020
  • Mileage: 43,290 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 178 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 133 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2020 Mazda CX-30 GT Sport is 43,290 miles. Priced at £12,427, it is advertised £631 below the AskCar estimate of £13,058. To work out the AskCar estimate, we analyse UK dealer adverts for 1,559 Mazda CX-30 cars across different ages and specifications. The asking price is now £629 lower than when we first recorded the advert 18 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Cargem, based in Rainham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £631 (4%) under the AskCar estimate of £13,058.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 1,559 priced Mazda CX-30 adverts across different ages and specifications, as of 4 November 2026.

A 2020 Mazda CX-30 with the 2.0 petrol engine is typically advertised at £13,000: the median of the 106 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2020 Mazda CX-30 has been on sale for at least 18 days.

Price history

AskCar first saw this advert on 17 October 2026 at £13,056. Its asking price is now £12,427, £629 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

  • 17 October 2026: £13,056
  • 21 October 2026: £12,427

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 25 June 2027.

It failed its MOT on 9 June 2026 (engine MIL inoperative or indicates a malfunction) and passed later the same day.

Advisories at the latest test: rear tyre slightly damaged/cracking or perishing both.

Mileage at that test: 40,738 miles, which matches the advertised 43,290 miles.

Similar cars

23 other 2020 Mazda CX-30 GT Sport 2.0 petrol manual SUVs are for sale at UK dealers, from £8,990 to £15,495, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2020 Mazda CX-30 GT Sport, 2.0 petrol SUV, grey. Mileage: 43,100 miles. Price: £13,499, £1,072 more than this car. Dealer: Park's Land Rover Inverness in Inverness. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2020-27c4f2cf54e2
  • 2020 Mazda CX-30 GT Sport, 2.0 petrol SUV, red. Mileage: 42,719 miles. Price: £13,998, £1,571 more than this car. Dealer: Arnold Clark Stirling Renault / Dacia / Hyundai / Vanstore in Stirling. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2020-9150de5f6642
  • 2020 Mazda CX-30 GT Sport, 2.0 petrol SUV, red. Mileage: 44,494 miles. Price: £12,461, the same price as this car. Dealer: Vertu Nissan Stockton in Stockton-on-Tees. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2020-c212005d3ec0
  • The nearest: 2020 Mazda CX-30 GT Sport, 2.0 petrol SUV, grey, 38 miles from this car. Mileage: 46,248 miles. Price: £12,995, £568 more than this car. Dealer: EMC Uckfield Vauxhall in Uckfield. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2020-b2c1cf37c723

Browse all Mazda CX-30 cars for sale · 2020 Mazda CX-30 price guide

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Photos

57 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.