2018 Mazda CX-3 2.0 SKYACTIV-G GT Sport

Overview

• Make: Mazda
• Model: CX-3
• Trim: GT Sport
• Version: 2.0 SKYACTIV-G GT Sport Manual FWD Euro 6 (s/s) 5dr (119 bhp)
• Year: 2018
• Mileage: 58,500 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 119 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 137 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mazda CX-3 GT Sport is advertised with 58,500 miles, approximately 11,000 above the typical mileage for its age. The dealer is asking £9,750, which is £433 below the AskCar estimate of £10,183. To work out the AskCar estimate, we analyse UK dealer adverts for 431 Mazda CX-3 cars across different ages and specifications. We have tracked this advert today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Deeside Motor Centre, based in Deeside. 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: £433 (4%) under the AskCar estimate of £10,183.

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 431 priced Mazda CX-3 adverts across different ages and specifications, as of 4 November 2026.

A 2018 Mazda CX-3 with the 2.0 petrol engine is typically advertised at £10,500: the median of the 74 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2018 Mazda CX-3 advertised today. About half of 2018 Mazda CX-3 cars are gone from sale within a month of being advertised: 74 of the 152 first advertised between 11 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £9,750. 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 21 July 2027.

It failed its MOT on 8 July 2026 (exhaust lambda reading after 2nd fast idle outside specified limits; central exhaust has a major leak of exhaust gases snapped at resonator; nearside front brake pad(s) less than 1.5 mm thick; and 1 more) and passed 2 days later, on 10 July 2026.

Advisories at the latest test: nearside front seat belt webbing slightly damaged or frayed; various suspension components corroded; front sub-frame corroded but not seriously weakened; and 1 more.

Mileage at that test: 55,949 miles, which matches the advertised 58,500 miles.

Advertised mileage is about 11,000 miles higher than the median mileage of a 2018 Mazda CX-3 on AskCar.

Similar cars

1 other 2018 Mazda CX-3 GT Sport 2.0 petrol manual SUV is for sale at UK dealers, as of 4 November 2026.

The closest to this car in mileage:

• 2018 Mazda CX-3 GT Sport, 2.0 petrol SUV, silver. Mileage: 9,680 miles. Price: £14,101, £4,351 more than this car. Dealer: Citygate Kia Watford in Watford. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-bcfb9a868294