2020 Mazda CX-30 2.0 SKYACTIV-G MHEV GT Sport

Overview

• Make: Mazda
• Model: CX-30
• Trim: GT Sport
• Version: 2.0 SKYACTIV-G Mhev GT Sport Manual FWD Euro 6 (s/s) 5dr (120 bhp)
• Year: 2020
• Mileage: 38,206 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 120 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Silver
• CO2: 141 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mazda CX-30 GT Sport has covered 38,206 miles, around 5,100 fewer miles than is typical for its age. The AskCar estimate for this car is £12,977. It is priced at £12,995, which is £18 above that estimate. The AskCar estimate uses 1,559 UK dealer adverts for the Mazda CX-30, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 6 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Stoneacre in Dewsbury. 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: £18 (under 1%) over the AskCar estimate of £12,977.

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

AskCar first saw this 2020 Mazda CX-30 advertised 6 days ago. About 6 in 10 of 2020 Mazda CX-30 cars are gone from sale within a month of being advertised: 121 of the 209 first advertised between 11 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 29 October 2026 at £12,995. 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 6 November 2027.

It has had 5 MOTs. The latest, on 20 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 38,206 miles, which matches the advertised 38,206 miles.

Advertised mileage is about 5,100 miles lower than the median mileage of a 2020 Mazda CX-30 on AskCar.

Similar cars

23 other 2020 Mazda CX-30 GT Sport 2.0 petrol manual SUVs are for sale at UK dealers, from £8,990 to £15,495, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2020 Mazda CX-30 GT Sport, 2.0 petrol SUV, black. Mileage: 37,933 miles. Price: £14,498, £1,503 more than this car. Dealer: Arnold Clark Glasgow London Road Motorstore / Vanstore in Glasgow. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2020-3a3bfbf45a6b
• 2020 Mazda CX-30 GT Sport, 2.0 petrol SUV, red. Mileage: 36,991 miles. Price: £13,498, £503 more than this car. Dealer: Arnold Clark Oldbury Fiat / Motorstore / Jeep / Abarth / BYD in Oldbury. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2020-c90a635b46c3
• 2020 Mazda CX-30 GT Sport, 2.0 petrol SUV, silver. Mileage: 40,000 miles. Price: £13,140, £145 more than this car. Dealer: Hippo Motor Group Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2020-645b39cf9a03