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 2dr (158 bhp)
• Year: 2018
• Mileage: 66,000 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

The advertised mileage for this 2018 Mazda MX-5 Sport Nav is 66,000 miles. Its asking price of £13,500 is £790 above the AskCar estimate of £12,710. To work out the AskCar estimate, we analyse UK dealer adverts for 629 Mazda MX-5 cars across different ages and specifications. We first recorded this car for sale 26 days ago. Ask the dealer why the advert shows fewer miles than the 66,544 recorded at the latest MOT. MOT records show an expiry date of 17 June 2027. The seller is Mortimer Cars, based in Basingstoke. 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: £790 (6%) over the AskCar estimate of £12,710.

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 26 days.

Price history

AskCar first saw this advert on 7 October 2026 at £13,500. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 17 June 2027.

It has had 7 MOTs. The latest, on 3 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 66,544 miles. The advert says 66,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 37,200 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: 69,588 miles. Price: £12,950, £550 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, £668 less than this car. Dealer: Vertu Honda Truro in Truro. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-e26d732ce3cf
• 2018 Mazda MX-5 Sport NAV, 2.0 petrol convertible, grey. Mileage: 61,737 miles. Price: £13,990, £490 more than this car. Dealer: FRF Mazda Swansea in Swansea. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-845a2c8d0932

• The nearest: 2018 Mazda MX-5 Sport NAV, 2.0 petrol convertible, grey, 6 miles from this car. Mileage: 42,533 miles. Price: £14,900, £1,400 more than this car. Dealer: Marshall MINI Hampshire in Hook. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-b8085736d7fe