2018 Mazda CX-3 1.5 SKYACTIV-D Sport NAV

Price: £6,575. Good value: £691 (9%) under the AskCar estimate of £7,266, our expected asking price for this car from its model, age, mileage and specification, drawing on 431 priced Mazda CX-3 adverts on AskCar as of 4 November 2026.

AskCar lists 444 used Mazda CX-3 from 357 UK dealerships, as of 4 November 2026.

Overview

  • Make: Mazda
  • Model: CX-3
  • Trim: Sport NAV
  • Version: 1.5 SKYACTIV-D Sport NAV Manual 4WD Euro 6 (s/s) 5dr (104 bhp)
  • Year: 2018
  • Mileage: 81,000 miles
  • Fuel: Diesel
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.5 litres, 104 bhp
  • Gearbox: Manual
  • Drive: Four-wheel drive
  • Colour: White
  • CO2: 123 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mazda CX-3 Sport Nav is advertised with 81,000 miles, approximately 33,500 above the typical mileage for its age. Priced at £6,575, it is advertised £691 below the AskCar estimate of £7,266. The AskCar estimate uses UK dealer asking prices, including 431 Mazda CX-3 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 17 days ago, and its asking price has since fallen by £300. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Motor Giant (Peterborough), based in Peterborough. 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

Good value: £691 (9%) under the AskCar estimate of £7,266.

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 1.5 diesel engine is typically advertised at £8,000: the median of the 11 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 Mazda CX-3 has been on sale for at least 17 days.

Price history

AskCar first saw this advert on 18 October 2026 at £6,875. Its asking price is now £6,575, £300 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

  • 18 October 2026: £6,875
  • 22 October 2026: £6,675
  • 27 October 2026: £6,650
  • 1 November 2026: £6,575

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 19 November 2026.

It has had 7 MOTs. The latest, on 11 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 77,278 miles, which matches the advertised 81,000 miles.

Advertised mileage is about 33,500 miles higher than the median mileage of a 2018 Mazda CX-3 on AskCar.

Similar cars

8 other 2018 Mazda CX-3 Sport NAV 1.5 diesel manual SUVs are for sale at UK dealers, from £5,895 to £11,995, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2018 Mazda CX-3 Sport NAV, 1.5 diesel SUV, silver. Mileage: 77,798 miles. Price: £6,999, £424 more than this car. Dealer: MRM Motors in Oakham. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-c1815778306e
  • 2018 Mazda CX-3 Sport NAV, 1.5 diesel SUV, red. Mileage: 74,000 miles. Price: £8,255, £1,680 more than this car. Dealer: Hippo Approved in Blackburn. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-baa4f7d6c0cb
  • 2018 Mazda CX-3 Sport NAV, 1.5 diesel SUV, black. Mileage: 89,257 miles. Price: £6,299, £276 less than this car. Dealer: Prime Carz in Leicester. AskCar page: https://askcar.co.uk/car/mazda-cx-3-2018-53c9b3c98a89

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

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Photos

49 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.