2018 Mazda CX-3 1.5 SKYACTIV-D Sport NAV

Price: £8,495. Fair price: £124 (1%) over the AskCar estimate of £8,371, our expected asking price for this car from its model, age, mileage and specification, drawing on 418 priced Mazda CX-3 adverts on AskCar as of 2 November 2026.

AskCar lists 430 used Mazda CX-3 from 347 UK dealerships, as of 2 November 2026.

Overview

  • Make: Mazda
  • Model: CX-3
  • Trim: Sport NAV
  • Version: 1.5 SKYACTIV-D Sport NAV Manual FWD Euro 6 (s/s) 5dr (104 bhp)
  • Year: 2018
  • Mileage: 54,000 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.5 litres, 104 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 105 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 54,000 miles on the clock, this 2018 Mazda CX-3 Sport Nav has done roughly 6,400 more miles than a typical 2018 Mazda CX-3. Priced at £8,495, it is advertised £124 above the AskCar estimate of £8,371. The AskCar estimate draws on 418 Mazda CX-3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 2 days ago. The government's MOT record matches its advertised mileage. You can find this car at Andrew Toms Car Sales in St Austell. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £124 (1%) over the AskCar estimate of £8,371.

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 418 priced Mazda CX-3 adverts across different ages and specifications, as of 2 November 2026.

A 2018 Mazda CX-3 with the 1.5 diesel engine is typically advertised at £7,800: the median of the 13 for sale on AskCar, as of 2 November 2026.

Time on sale

AskCar first saw this 2018 Mazda CX-3 advertised 2 days ago. About half of 2018 Mazda CX-3 cars are gone from sale within a month of being advertised: 73 of the 148 first advertised between 11 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 31 October 2026 at £8,495. 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 2 November 2026: valid until 16 October 2027.

It has had 7 MOTs. The latest, on 17 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 53,720 miles, which matches the advertised 54,000 miles.

Advertised mileage is about 6,400 miles higher than the median mileage of a 2018 Mazda CX-3 on AskCar.

Similar cars

10 other 2018 Mazda CX-3 Sport NAV 1.5 diesel manual SUVs are for sale at UK dealers, from £5,795 to £11,995, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 Mazda CX-3 Sport NAV, 1.5 diesel SUV, grey. Mileage: 56,250 miles. Price: £7,795, £700 less than this car. Dealer: Ever Drive Motors in Milton Keynes. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-2cebc6896b0d
  • 2018 Mazda CX-3 Sport NAV, 1.5 diesel SUV, blue. Mileage: 65,000 miles. Price: £5,795, £2,700 less than this car. Dealer: Tyburn Autos in Tyburn. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-7ef8fb726705
  • 2018 Mazda CX-3 Sport NAV, 1.5 diesel SUV, red. Mileage: 74,000 miles. Price: £8,255, £240 less than this car. Dealer: Hippo Approved in Blackburn. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-baa4f7d6c0cb
  • The nearest: 2018 Mazda CX-3 Sport NAV, 1.5 diesel SUV, red, 171 miles from this car. Mileage: 94,000 miles. Price: £5,895, £2,600 less than this car. Dealer: Julian Motors in Carterton. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-c6db57b85755

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

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Photos

55 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.