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 Manual FWD Euro 6 (s/s) 5dr (120 bhp)
• Year: 2021
• Mileage: 13,790 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 120 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Red
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mazda CX-30 GT Sport has covered 13,790 miles, around 22,200 fewer miles than is typical for its age. Its asking price of £15,890 is £329 above the AskCar estimate of £15,561. To work out the AskCar estimate, we analyse UK dealer adverts for 1,559 Mazda CX-30 cars across different ages and specifications. Since we first spotted the advert 12 days ago, the asking price has dropped by £100. We checked its advertised mileage against the government's MOT record, and they match. The seller is Johnsons Mazda Gloucester, based in Gloucester. 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: £329 (2%) over the AskCar estimate of £15,561.

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 12 days.

Price history

AskCar first saw this advert on 23 October 2026 at £15,990. Its asking price is now £15,890, £100 less. The latest price cut was seen on 2 November 2026.

Price changes recorded:

• 23 October 2026: £15,990
• 2 November 2026: £15,890

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 5 December 2026.

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

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge worn @3mm; nearside front tyre worn close to legal limit/worn on edge worn close to limit @ 2mm.

Mileage at that test: 13,296 miles, which matches the advertised 13,790 miles.

Advertised mileage is about 22,200 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, red. Mileage: 11,090 miles. Price: £15,999, £109 more 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: 23,296 miles. Price: £14,850, £1,040 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
• 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, grey. Mileage: 24,592 miles. Price: £13,995, £1,895 less than this car. Dealer: Trust Ford Carlisle in Carlisle. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-926627fc29cb

• The nearest: 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, grey, 29 miles from this car. Mileage: 43,323 miles. Price: £13,406, £2,484 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-24526ca4afbf