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: 10,783 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 183 bhp
• Gearbox: Manual
• 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 10,783 miles, approximately 23,700 below the typical mileage for its age. Priced at £16,005, it is advertised £344 below the AskCar estimate of £16,349. The AskCar estimate draws on 1,531 Mazda CX-30 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 10 days ago. Its advertised mileage matches the government's MOT record. The seller is Marriott Motor Group Premium Used Cars Bury St Edmunds, based in Bury St. Edmunds. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £344 (2%) under the AskCar estimate of £16,349.

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 1,531 priced Mazda CX-30 adverts across different ages and specifications, as of 10 November 2026.

A 2021 Mazda CX-30 with the 2.0 petrol engine is typically advertised at £14,000: the median of the 110 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2021 Mazda CX-30 has been on sale for at least 10 days.

Price history

AskCar first saw this advert on 31 October 2026 at £15,882. Its asking price is now £16,005, £123 more.

Price changes recorded:

• 31 October 2026: £15,882
• 10 November 2026: £16,005

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 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 10,783 miles.

Advertised mileage is about 23,700 miles lower than the median mileage of a 2021 Mazda CX-30 on AskCar.

Similar cars

20 other 2021 Mazda CX-30 GT Sport 2.0 petrol manual SUVs are for sale at UK dealers, from £10,543 to £15,890, as of 10 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: £15,799, £206 less 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: £15,890, £115 less 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: 23,296 miles. Price: £14,850, £1,155 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, £4,015 less than this car. Dealer: Town Autos in Bedford. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-78b10465a875