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: 43,323 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 183 bhp
• Gearbox: Manual
• Colour: Grey
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mazda CX-30 GT Sport has covered 43,323 miles, around 7,300 more miles than is typical for its age. Its asking price of £13,406 is £417 below the AskCar estimate of £13,823. The AskCar estimate uses 1,559 UK dealer adverts for the Mazda CX-30, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Carbase Bristol, based in Bristol. 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: £417 (3%) under the AskCar estimate of £13,823.

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 today. 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 4 November 2026 at £13,406. 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 July 2027.

It failed its MOT on 14 July 2026 (windscreen washer provides insufficient washer liquid; offside front windscreen wiper does not clear the windscreen effectively) and passed later the same day.

Advisories at the latest test: front brake disc worn, but not excessively; items removed from driver's view prior to test.

Mileage at that test: 41,437 miles, which matches the advertised 43,323 miles.

Advertised mileage is about 7,300 miles higher 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, grey. Mileage: 44,148 miles. Price: £13,200, £206 less than this car. Dealer: Napier Motor Company in Horsham. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-92c0b6139cfd
• 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, grey. Mileage: 39,677 miles. Price: £13,267, £139 less than this car. Dealer: Trust Ford Huddersfield in Huddersfield. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-c5c91a956c76
• 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, grey. Mileage: 47,620 miles. Price: £13,599, £193 more than this car. Dealer: Lookers Car Hub Middlesbrough in Middlesbrough. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-9a29ba0d524c

• The nearest: 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, red, 29 miles from this car. Mileage: 13,790 miles. Price: £15,890, £2,484 more than this car. Dealer: Johnsons Mazda Gloucester in Gloucester. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-c22e345d2735