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

Price: £15,478. Fair price: £25 (under 1%) under the AskCar estimate of £15,503, 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 Tech
  • Version: 2.0 Skyactiv-X GT Sport Tech Manual 4WD Euro 6 5dr (177 bhp)
  • Year: 2021
  • Mileage: 38,493 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 177 bhp
  • Gearbox: Manual
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 146 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mazda CX-30 GT Sport Tech has covered 38,493 miles, around 2,500 more miles than is typical for its age. The dealer is asking £15,478, which is £25 below the AskCar estimate of £15,503. 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 £473 lower than when we first recorded the advert 21 days ago. Our records show an MOT expiry date of 23 September 2026, which has passed. Ask the dealer for an update. Its advertised mileage matches the government's MOT record. The seller is Vertu Hyundai Edinburgh West, based in Edinburgh. 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: £25 (under 1%) under the AskCar estimate of £15,503.

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 2021 Mazda CX-30 with the 2.0 petrol engine is typically advertised at £13,900: the median of the 110 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 Mazda CX-30 has been on sale for at least 21 days.

Price history

AskCar first saw this advert on 14 October 2026 at £15,951. Its asking price is now £15,478, £473 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 14 October 2026: £15,951
  • 15 October 2026: £15,902
  • 16 October 2026: £15,336
  • 20 October 2026: £15,751
  • 21 October 2026: £15,835
  • 22 October 2026: £15,790
  • 23 October 2026: £15,666
  • 1 November 2026: £15,502
  • 4 November 2026: £15,478

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 23 September 2026; ask the dealer for the current MOT.

It has had 3 MOTs. The latest, on 15 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 38,350 miles, which matches the advertised 38,493 miles.

Advertised mileage is about 2,500 miles higher than the median mileage of a 2021 Mazda CX-30 on AskCar.

Similar cars

19 other 2021 Mazda CX-30 GT Sport Tech 2.0 petrol manual SUVs are for sale at UK dealers, from £11,260 to £18,000, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2021 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, black. Mileage: 40,537 miles. Price: £13,850, £1,628 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-04031809a604
  • 2021 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, blue. Mileage: 36,295 miles. Price: £13,995, £1,483 less than this car. Dealer: Park's Coatbridge Renault / Dacia in Coatbridge. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-4d817bd73d0b
  • 2021 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, blue. Mileage: 36,129 miles. Price: £13,770, £1,708 less than this car. Dealer: Big Motoring World Leeds in Leeds. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-c58b8758959f

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

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Photos

45 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.