2018 Mazda CX-3 2.0 SKYACTIV-G GT Sport

Price: £12,799. Fair price: £314 (2%) over the AskCar estimate of £12,485, our expected asking price for this car from its model, age, mileage and specification, drawing on 430 priced Mazda CX-3 adverts on AskCar as of 10 November 2026.

AskCar lists 440 used Mazda CX-3 from 357 UK dealerships, as of 10 November 2026.

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: 24,348 miles
  • Fuel: Petrol
  • Body: SUV, 5 doors, 5 seats
  • Engine: 2.0 litres, 119 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: White
  • CO2: 137 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mazda CX-3 GT Sport has covered 24,348 miles, around 22,100 fewer miles than is typical for its age. Priced at £12,799, it is advertised £314 above the AskCar estimate of £12,485. The AskCar estimate uses UK dealer asking prices, including 430 Mazda CX-3 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 141 days ago, the asking price has dropped by £900. We checked its advertised mileage against the government's MOT record, and they match. The seller is Western Commercial Western Mazda, based in Newbridge. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Western Commercial Western Mazda is rated 4.6 out of 5 on Google.

Price

Fair price: £314 (2%) over the AskCar estimate of £12,485.

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 430 priced Mazda CX-3 adverts across different ages and specifications, as of 10 November 2026.

A 2018 Mazda CX-3 with the 2.0 petrol engine is typically advertised at £10,500: the median of the 76 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2018 Mazda CX-3 has been on sale for at least 141 days.

Price history

AskCar first saw this advert on 22 June 2026 at £13,699. Its asking price is now £12,799, £900 less. The latest price cut was seen on 11 September 2026.

Price changes recorded:

  • 22 June 2026: £13,699
  • 4 July 2026: £13,499
  • 11 September 2026: £12,799

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 30 March 2027.

It has had 7 MOTs. The latest, on 18 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 23,781 miles, which matches the advertised 24,348 miles.

Advertised mileage is about 22,100 miles lower than the median mileage of a 2018 Mazda CX-3 on AskCar.

Similar cars

3 other 2018 Mazda CX-3 GT Sport 2.0 petrol manual SUVs are for sale at UK dealers, from £9,750 to £13,997, as of 10 November 2026.

The 3 closest to this car in mileage:

  • 2018 Mazda CX-3 GT Sport, 2.0 petrol SUV, silver. Mileage: 9,422 miles. Price: £13,997, £1,198 more than this car. Dealer: Citygate Kia Watford in Watford. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-bcfb9a868294
  • 2018 Mazda CX-3 GT Sport, 2.0 petrol SUV, silver. Mileage: 53,414 miles. Price: £9,998, £2,801 less than this car. Dealer: CarSupermarket.com Sutton Fields Recon Centre in Hessle. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-6558ad830a0d
  • 2018 Mazda CX-3 GT Sport, 2.0 petrol SUV, grey. Mileage: 58,376 miles. Price: £9,750, £3,049 less than this car. Dealer: Deeside Motor Centre in Connah's Quay. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-d0e7e62931d0

Browse all Mazda CX-3 cars for sale · 2018 Mazda CX-3 price guide

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Photos

45 photos of this car are on its AskCar page.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.