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

Overview

• Make: Mazda
• Model: CX-30
• Trim: GT Sport Tech
• Version: 2.0 e SKYACTIV-G Mhev GT Sport Tech Auto FWD Euro 6 (s/s) 5dr (120 bhp)
• Year: 2021
• Mileage: 29,383 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 120 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Silver
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mazda CX-30 GT Sport Tech has covered 29,383 miles, around 6,600 fewer miles than is typical for its age. The AskCar estimate for this car is £15,968. It is priced at £15,899, which is £69 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,559 Mazda CX-30 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 73 days, and its asking price is down £600. The government's MOT record matches its advertised mileage. You can find this car at EMG Motor Group Honda Letchworth (Norton Way) in North Hertfordshire. 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: £69 (under 1%) under the AskCar estimate of £15,968.

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

The dealer may accept less. This 2021 Mazda CX-30 has been on sale for at least 73 days, and its asking price has been cut by £600. 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 23 August 2026 at £16,499. Its asking price is now £15,899, £600 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 23 August 2026: £16,499
• 19 September 2026: £16,299
• 9 October 2026: £15,999
• 22 October 2026: £15,899

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 15 April 2027.

It has had 3 MOTs. The latest, on 31 March 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; nearside rear tyre worn close to legal limit/worn on edge; and 1 more.

Mileage at that test: 27,934 miles, which matches the advertised 29,383 miles.

Advertised mileage is about 6,600 miles lower than the median mileage of a 2021 Mazda CX-30 on AskCar.

Similar cars

4 other 2021 Mazda CX-30 GT Sport Tech 2.0 petrol automatic SUVs are for sale at UK dealers, from £14,490 to £21,395, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, blue. Mileage: 32,000 miles. Price: £21,395, £5,496 more than this car. Dealer: Hexagon Cars Of Harrogate in Harrogate. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-1274eb77f6b6
• 2021 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, blue. Mileage: 32,300 miles. Price: £15,920, the same price as this car. Dealer: Big Motoring World Enfield in Enfield. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-2afa1ad62f1c
• 2021 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, blue. Mileage: 12,267 miles. Price: £17,800, £1,901 more than this car. Dealer: Pentagon Lincoln Used Car Centre in Lincoln. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-d97cfc58e6d0