2018 Mazda MX-5 2.0 SKYACTIV-G Sport NAV

Price: £13,990. Fair price: £838 (6%) over the AskCar estimate of £13,152, our expected asking price for this car from its model, age, mileage and specification, drawing on 629 priced Mazda MX-5 adverts on AskCar as of 2 November 2026.

AskCar lists 666 used Mazda MX-5 from 400 UK dealerships, as of 2 November 2026.

Overview

  • Make: Mazda
  • Model: MX-5
  • Trim: Sport NAV
  • Version: 2.0 SKYACTIV-G Sport NAV Manual RWD Euro 6 2dr (158 bhp)
  • Year: 2018
  • Mileage: 61,737 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 2.0 litres, 158 bhp
  • Gearbox: Manual
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 161 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 61,737 miles, this 2018 Mazda MX-5 Sport Nav has covered about 32,900 more miles than other 2018 Mazda MX-5 cars. Its asking price of £13,990 is £838 above the AskCar estimate of £13,152. The AskCar estimate uses 629 UK dealer adverts for the Mazda MX-5, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 32 days ago. Its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is FRF Mazda Swansea, based in Swansea. 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: £838 (6%) over the AskCar estimate of £13,152.

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 629 priced Mazda MX-5 adverts across different ages and specifications, as of 2 November 2026.

A 2018 Mazda MX-5 with the 2.0 petrol engine is typically advertised at £15,300: the median of the 31 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 Mazda MX-5 has been on sale for at least 32 days.

Price history

AskCar first saw this advert on 1 October 2026 at £14,990. Its asking price is now £13,990, £1,000 less. The latest price cut was seen on 25 October 2026.

Price changes recorded:

  • 1 October 2026: £14,990
  • 20 October 2026: £14,500
  • 25 October 2026: £13,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 14 June 2027.

It has had 6 MOTs. The latest, on 12 June 2026, passed.

Advisories at the latest test: underbody components corroding.

Mileage at that test: 58,437 miles, which matches the advertised 61,737 miles.

Advertised mileage is about 32,900 miles higher than the median mileage of a 2018 Mazda MX-5 on AskCar.

Similar cars

8 other 2018 Mazda MX-5 Sport NAV 2.0 petrol manual convertibles are for sale at UK dealers, from £8,995 to £16,995, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 Mazda MX-5 Sport NAV, 2.0 petrol convertible, grey. Mileage: 66,000 miles. Price: £13,500, £490 less than this car. Dealer: Mortimer Cars in Basingstoke. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-25655e74fd9b
  • 2018 Mazda MX-5 Sport NAV, 2.0 petrol convertible, grey. Mileage: 69,588 miles. Price: £12,950, £1,040 less than this car. Dealer: Holdcroft Motor Group Wolverhampton Handpicked in Wolverhampton. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-fbe8ee69d8ce
  • 2018 Mazda MX-5 Sport NAV, 2.0 petrol convertible, white. Mileage: 69,989 miles. Price: £12,832, £1,158 less than this car. Dealer: Vertu Honda Truro in Truro. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-e26d732ce3cf
  • The nearest: 2018 Mazda MX-5 Sport NAV, 2.0 petrol convertible, red, 80 miles from this car. Mileage: 15,111 miles. Price: £16,995, £3,005 more than this car. Dealer: Edwards Motors in Kempsey. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-6f2cdf113302

Browse all Mazda MX-5 cars for sale · 2018 Mazda MX-5 price guide

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Photos

36 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.