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

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: 16,377 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 16,377 miles on the clock, this 2018 Mazda MX-5 Sport Nav+ has done roughly 12,500 fewer miles than a typical 2018 Mazda MX-5. Priced at £17,995, it is advertised £381 below the AskCar estimate of £18,376. To work out the AskCar estimate, we analyse UK dealer adverts for 629 Mazda MX-5 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 143 days, and its asking price is down £855. Its advertised mileage matches the government's MOT record. The seller is Ballyrobert Mallusk, based in Newtownabbey. 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: £381 (2%) under the AskCar estimate of £18,376.

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

The dealer may accept less. This 2018 Mazda MX-5 has been on sale for at least 143 days, and its asking price has been cut by £855. About 6 in 10 of 2018 Mazda MX-5 cars are gone from sale within a month of being advertised: 40 of the 68 first advertised between 12 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 12 June 2026 at £18,850. Its asking price is now £17,995, £855 less. The latest price cut was seen on 5 September 2026.

Price changes recorded:

• 18 June 2026: £18,850
• 20 June 2026: £18,750
• 2 July 2026: £18,495
• 5 August 2026: £18,250
• 5 September 2026: £17,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 5 December 2026.

It has had 3 MOTs. The latest, on 6 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 15,976 miles, which matches the advertised 16,377 miles.

Advertised mileage is about 12,500 miles lower than the median mileage of a 2018 Mazda MX-5 on AskCar.

Similar cars

3 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 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Mazda MX-5 Sport Nav+, 2.0 petrol convertible, red. Mileage: 18,000 miles. Price: £19,990, £1,995 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, red. Mileage: 24,211 miles. Price: £16,500, £1,495 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, grey. Mileage: 33,651 miles. Price: £16,990, £1,005 less than this car. Dealer: Romford Mazda in Romford. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-f51c5ec72d67