2021 Mazda CX-30 2.0 e-SKYACTIV G MHEV GT Sport

Overview

• Make: Mazda
• Model: CX-30
• Trim: GT Sport
• Version: 2.0 e SKYACTIV-G Mhev GT Sport Auto FWD Euro 6 (s/s) 5dr (120 bhp)
• Year: 2021
• Mileage: 11,051 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 120 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mazda CX-30 GT Sport is advertised with 11,051 miles, approximately 25,000 below the typical mileage for its age. Priced at £17,995, it is advertised £213 above the AskCar estimate of £17,782. To work out the AskCar estimate, we analyse UK dealer adverts for 1,559 Mazda CX-30 cars across different ages and specifications. It first appeared in our advert records 35 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Newport Mazda, based in Newport. 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: £213 (1%) over the AskCar estimate of £17,782.

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 35 days.

Price history

AskCar first saw this advert on 30 September 2026 at £17,995. 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 4 November 2026: valid until 20 December 2026.

It has had 2 MOTs. The latest, on 21 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 8,439 miles, which matches the advertised 11,051 miles.

Advertised mileage is about 25,000 miles lower than the median mileage of a 2021 Mazda CX-30 on AskCar.

Similar cars

7 other 2021 Mazda CX-30 GT Sport 2.0 petrol automatic SUVs are for sale at UK dealers, from £9,700 to £17,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, white. Mileage: 15,217 miles. Price: £17,209, £786 less than this car. Dealer: Vertu Peugeot Paisley in Paisley. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-6c39c0a773b5
• 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, red. Mileage: 19,349 miles. Price: £17,995, the same price as this car. Dealer: Mitchell Mazda in Ellesmere Port. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-34857e56bbf6
• 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, grey. Mileage: 25,407 miles. Price: £17,358, £637 less than this car. Dealer: cartime Rochdale in Rochdale. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-f81a146ea6f1

• The nearest: 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, grey, 79 miles from this car. Mileage: 31,789 miles. Price: £15,858, £2,137 less than this car. Dealer: Brindley Garages Brindley Mazda Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-98fc13c41031