2018 Mazda CX-3 1.5 SKYACTIV-D Sport NAV

Price: £6,299. Fair price: £93 (1%) under the AskCar estimate of £6,392, 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: 89,257 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

At 89,257 miles, this 2018 Mazda CX-3 Sport Nav has covered about 41,700 more miles than other 2018 Mazda CX-3 cars. The dealer is asking £6,299, which is £93 below the AskCar estimate of £6,392. To work out the AskCar estimate, we analyse UK dealer adverts for 418 Mazda CX-3 cars across different ages and specifications. Since we first spotted the advert 89 days ago, the asking price has dropped by £500. The government's MOT record matches its advertised mileage. It is advertised by Prime Carz in Leicester. 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: £93 (1%) under the AskCar estimate of £6,392.

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

This 2018 Mazda CX-3 has been on sale for at least 89 days.

Price history

AskCar first saw this advert on 5 August 2026 at £6,799. Its asking price is now £6,299, £500 less. The latest price cut was seen on 19 September 2026.

Price changes recorded:

  • 5 August 2026: £6,799
  • 7 September 2026: £6,499
  • 14 September 2026: £6,349
  • 19 September 2026: £6,299

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 June 2027.

It has had 7 MOTs. The latest, on 29 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 89,162 miles, which matches the advertised 89,257 miles.

Advertised mileage is about 41,700 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: 90,000 miles. Price: £6,279, the same price as this car. Dealer: Ward Motors Leeds in Leeds. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-80beeba03576
  • 2018 Mazda CX-3 Sport NAV, 1.5 diesel SUV, red. Mileage: 94,000 miles. Price: £5,895, £404 less than this car. Dealer: Julian Motors in Carterton. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-c6db57b85755
  • 2018 Mazda CX-3 Sport NAV, 1.5 diesel SUV, white. Mileage: 81,000 miles. Price: £6,575, £276 more than this car. Dealer: Motor Giant (Peterborough) in Peterborough. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-316a584bdf68
  • The nearest: 2018 Mazda CX-3 Sport NAV, 1.5 diesel SUV, silver, 17 miles from this car. Mileage: 77,798 miles. Price: £6,999, £700 more than this car. Dealer: MRM Motors in Oakham. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-c1815778306e

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

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Photos

31 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.