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

Price: £16,000. Fair price: £865 (5%) under the AskCar estimate of £16,865, 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 e-SKYACTIV X Mhev GT Sport Tech Manual 4WD Euro 6 (s/s) 5dr (183 bhp)
  • Year: 2021
  • Mileage: 31,121 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 183 bhp
  • Gearbox: Manual
  • Drive: Four-wheel drive
  • Colour: Red
  • CO2: 137 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 31,121 miles, this 2021 Mazda CX-30 GT Sport Tech has covered about 4,900 fewer miles than other 2021 Mazda CX-30 cars. The AskCar estimate for this car is £16,865. It is priced at £16,000, which is £865 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,559 Mazda CX-30 cars across different ages and specifications. We first saw this car advertised 47 days ago. Its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Stoneacre Gateshead Mazda, based in Gateshead. 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: £865 (5%) under the AskCar estimate of £16,865.

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 47 days.

Price history

AskCar first saw this advert on 18 September 2026 at £17,000. Its asking price is now £16,000, £1,000 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

  • 18 September 2026: £17,000
  • 21 October 2026: £16,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 24 May 2027.

It has had 3 MOTs. The latest, on 22 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 28,691 miles, which matches the advertised 31,121 miles.

Advertised mileage is about 4,900 miles lower than the median mileage of a 2021 Mazda CX-30 on AskCar.

Similar cars

19 other 2021 Mazda CX-30 GT Sport 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, red. Mileage: 31,139 miles. Price: £16,995, £995 more than this car. Dealer: Magna Mazda Salisbury in Salisbury. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-db31f884b7c3
  • 2021 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, grey. Mileage: 33,211 miles. Price: £16,495, £495 more than this car. Dealer: Struans Mazdasubaru in Perth. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-16fa57a35d4a
  • 2021 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, grey. Mileage: 28,278 miles. Price: £18,000, £2,000 more than this car. Dealer: Northampton Motors in Northampton. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-2de3361f04c9
  • The nearest: 2021 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, red, 30 miles from this car. Mileage: 82,000 miles. Price: £12,490, £3,510 less than this car. Dealer: Wilson Autotrade in Darlington. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-adefc18a362a

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

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Photos

21 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.