2021 Mazda CX-30 2.0 SKYACTIV-X MHEV GT Sport

Price: £15,882. Fair price: £396 (2%) under the AskCar estimate of £16,278, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,622 priced Mazda CX-30 adverts on AskCar as of 1 November 2026.

AskCar lists 1,656 used Mazda CX-30 from 532 UK dealerships, as of 1 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: 2021
  • Mileage: 11,000 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 178 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Red
  • CO2: 133 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mazda CX-30 GT Sport is advertised with 11,000 miles, approximately 22,900 below the typical mileage for its age. The AskCar estimate for this car is £16,278. It is priced at £15,882, which is £396 below that estimate. The AskCar estimate draws on 1,622 Mazda CX-30 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 1 day ago. The government's MOT record matches its advertised mileage. You can find this car at Marriott Motor Group Premium Used Cars Bury St Edmunds in Bury St. Edmunds. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 1 November 2026.

How we estimate prices and check cars

Price

Fair price: £396 (2%) under the AskCar estimate of £16,278.

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 1,622 priced Mazda CX-30 adverts across different ages and specifications, as of 1 November 2026.

Time on sale

AskCar first saw this 2021 Mazda CX-30 advertised 1 day ago.

Price history

AskCar first saw this advert on 31 October 2026 at £15,882. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 1 November 2026: valid until 29 June 2027.

It has had 3 MOTs. The latest, on 16 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 10,686 miles, which matches the advertised 11,000 miles.

Advertised mileage is about 22,900 miles lower than the median mileage of a 2021 Mazda CX-30 on AskCar.

Similar cars

19 other 2021 Mazda CX-30 GT Sport 2.0 petrol manual SUVs are for sale at UK dealers, from £10,677 to £15,999, as of 1 November 2026.

The 3 closest to this car in mileage:

  • 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, red. Mileage: 11,090 miles. Price: £15,999, £117 more than this car. Dealer: NK Motors in Nottingham. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-b402ac05deec
  • 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, red. Mileage: 13,790 miles. Price: £15,990, £108 more than this car. Dealer: Johnsons Mazda Gloucester in Gloucester. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-c22e345d2735
  • 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, red. Mileage: 24,000 miles. Price: £14,850, £1,032 less than this car. Dealer: Drive Motor Retail drivedirect Darlington Vauxhall in Darlington. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-8ca4f9ed8e72
  • The nearest: 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, black, 43 miles from this car. Mileage: 75,295 miles. Price: £11,990, £3,892 less than this car. Dealer: Town Autos in Bedford. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-78b10465a875

Browse all Mazda CX-30 cars for sale · 2021 Mazda CX-30 price guide

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Photos

1 photo of this car is on its AskCar page.

As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.