2021 Mazda CX-30 2.0 GT Sport

Overview

• Make: Mazda
• Model: CX-30
• Trim: GT Sport
• Version: 2.0 Mhev GT Sport Manual Euro 6 (s/s) 5dr (183 bhp)
• Year: 2021
• Mileage: 31,800 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 183 bhp
• Gearbox: Manual
• Colour: White
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 31,800 miles on the clock, this 2021 Mazda CX-30 GT Sport has done roughly 4,200 fewer miles than a typical 2021 Mazda CX-30. Its asking price of £15,695 is £845 above the AskCar estimate of £14,850. The AskCar estimate draws on 1,559 Mazda CX-30 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 4 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Magna Mazda Poole, based in Poole. 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: £845 (5%) over the AskCar estimate of £14,850.

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

AskCar first saw this 2021 Mazda CX-30 advertised 4 days ago. About 6 in 10 of 2021 Mazda CX-30 cars are gone from sale within a month of being advertised: 125 of the 218 first advertised between 11 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 31 October 2026 at £15,695. 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 30 September 2027.

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

There were no advisories at the latest test.

Mileage at that test: 31,435 miles, which matches the advertised 31,800 miles.

Advertised mileage is about 4,200 miles lower than the median mileage of a 2021 Mazda CX-30 on AskCar.

Similar cars

18 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 4 November 2026.

The 3 closest to this car in mileage:

• 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, black. Mileage: 31,120 miles. Price: £15,499, £196 less than this car. Dealer: David Hayton Autostore Penrith in Penrith. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-063d0905f92a
• 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, black. Mileage: 33,164 miles. Price: £14,435, £1,260 less than this car. Dealer: Vertu Mazda Hamilton in Hamilton. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-8c3c966c79ec
• 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, grey. Mileage: 36,337 miles. Price: £14,380, £1,315 less than this car. Dealer: Evans Halshaw Ford East Kilbride in East Kilbride. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-a6a0aec40e7d

• The nearest: 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, blue, 55 miles from this car. Mileage: 48,000 miles. Price: £13,000, £2,695 less than this car. Dealer: Marshall SKODA Newbury in Newbury. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-d7fba1ebff1a