2018 Mazda MX-5 2.0 SKYACTIV-G Sport Nav+

Price: £16,990. Fair price: £316 (1%) over the AskCar estimate of £16,674, our expected asking price for this car from its model, age, mileage and specification, drawing on 638 priced Mazda MX-5 adverts on AskCar as of 4 November 2026.

AskCar lists 669 used Mazda MX-5 from 401 UK dealerships, as of 4 November 2026.

Overview

  • Make: Mazda
  • Model: MX-5
  • Trim: Sport Nav+
  • Version: 2.0 SKYACTIV-G Sport Nav+ Manual RWD Euro 6 (s/s) 2dr (181 bhp)
  • Year: 2018
  • Mileage: 33,651 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 2.0 litres, 181 bhp
  • Gearbox: Manual
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 156 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 33,651 miles on the clock, this 2018 Mazda MX-5 Sport Nav+ has done roughly 3,900 more miles than a typical 2018 Mazda MX-5. Its asking price of £16,990 is £316 above the AskCar estimate of £16,674. The AskCar estimate uses 638 UK dealer adverts for the Mazda MX-5, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 34 days ago. Its asking price has since fallen by £2,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Romford Mazda, based in Romford. 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

Fair price: £316 (1%) over the AskCar estimate of £16,674.

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 638 priced Mazda MX-5 adverts across different ages and specifications, as of 4 November 2026.

A 2018 Mazda MX-5 with the 2.0 petrol engine is typically advertised at £15,300: the median of the 32 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 Mazda MX-5 has been on sale for at least 34 days.

Price history

AskCar first saw this advert on 1 October 2026 at £18,990. Its asking price is now £16,990, £2,000 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

  • 1 October 2026: £18,990
  • 28 October 2026: £16,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 20 July 2027.

It failed its MOT on 7 July 2026 (front windscreen wiper does not clear the windscreen effectively) and passed later the same day.

Advisories at the latest test: rear brake disc worn, pitted or scored, but not seriously weakened.

Mileage at that test: 32,212 miles, which matches the advertised 33,651 miles.

Advertised mileage is about 3,900 miles higher than the median mileage of a 2018 Mazda MX-5 on AskCar.

Similar cars

4 other 2018 Mazda MX-5 Sport Nav+ 2.0 petrol manual convertibles are for sale at UK dealers, from £16,500 to £19,990, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2018 Mazda MX-5 Sport Nav+, 2.0 petrol convertible, red. Mileage: 24,211 miles. Price: £16,500, £490 less than this car. Dealer: Vospers Ford Truro in Truro. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-f4e39e91f4a9
  • 2018 Mazda MX-5 Sport Nav+, 2.0 petrol convertible, red. Mileage: 18,000 miles. Price: £19,990, £3,000 more than this car. Dealer: SJ Poulton in Stansted Mountfitchet. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-f45aac284ebf
  • 2018 Mazda MX-5 Sport Nav+, 2.0 petrol convertible, grey. Mileage: 16,377 miles. Price: £17,995, £1,005 more than this car. Dealer: Ballyrobert Mallusk in Belfast. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-58deb5c62ea3

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

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Photos

71 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.