2020 Mazda CX-30 2.0 GT Sport Tech

Overview

• Make: Mazda
• Model: CX-30
• Trim: GT Sport Tech
• Version: 2.0 GT Sport Tech Auto FWD Euro 6 5dr (177 bhp)
• Year: 2020
• Mileage: 40,000 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 177 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 146 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mazda CX-30 GT Sport Tech is advertised with 40,000 miles on the clock. The dealer is asking £15,350, which is £313 above the AskCar estimate of £15,037. To work out the AskCar estimate, we analyse UK dealer adverts for 1,559 Mazda CX-30 cars across different ages and specifications. The asking price is now £650 lower than when we first recorded the advert 15 days ago. Ask the dealer why the advert shows fewer miles than the 43,701 recorded at the latest MOT. Its MOT is recorded as valid until 27 September 2027. The seller is Mylson Stoke, based in Newcastle-Under-Lyme. 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: £313 (2%) over the AskCar estimate of £15,037.

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 2020 Mazda CX-30 with the 2.0 petrol engine is typically advertised at £13,000: the median of the 106 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2020 Mazda CX-30 has been on sale for at least 15 days.

Price history

AskCar first saw this advert on 20 October 2026 at £16,000. Its asking price is now £15,350, £650 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 20 October 2026: £16,000
• 27 October 2026: £15,350

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 27 September 2027.

It has had 5 MOTs. The latest, on 28 September 2026, passed.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge inner + outer; rear brake disc worn, pitted or scored, but not seriously weakened.

Mileage at that test: 43,701 miles. The advert says 40,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 3,300 miles lower than the median mileage of a 2020 Mazda CX-30 on AskCar.

Similar cars

13 other 2020 Mazda CX-30 GT Sport Tech 2.0 petrol automatic SUVs are for sale at UK dealers, from £13,830 to £16,695, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2020 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, grey. Mileage: 38,694 miles. Price: £15,103, £247 less than this car. Dealer: Hendy Ford Horsham in Horsham. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2020-6236fc795fa6
• 2020 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, red. Mileage: 43,227 miles. Price: £15,114, £236 less than this car. Dealer: Hammond Cars Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2020-510a886f193c
• 2020 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, red. Mileage: 36,000 miles. Price: £14,995, £355 less than this car. Dealer: Roadside Motors in Lisburn. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2020-913b59dac3f5

• The nearest: 2020 Mazda CX-30 GT Sport Tech, 2.0 petrol SUV, red, 43 miles from this car. Mileage: 26,824 miles. Price: £16,249, £899 more than this car. Dealer: Motorpoint Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2020-70144b86face