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: 69,989 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.0 litres, 158 bhp
• Gearbox: Manual
• Drive: Rear-wheel drive
• Colour: White
• CO2: 161 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mazda MX-5 Sport Nav has covered 69,989 miles, around 41,100 more miles than is typical for its age. Priced at £12,832, it is advertised £522 above the AskCar estimate of £12,310. The AskCar estimate uses UK dealer asking prices, including 629 Mazda MX-5 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 18 days. Our records show an MOT expiry date of 5 October 2026, which has passed. Ask the dealer for an update. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Vertu Honda Truro, based in Truro. 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: £522 (4%) over the AskCar estimate of £12,310.

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 18 days.

Price history

AskCar first saw this advert on 15 October 2026 at £12,785. Its asking price is now £12,832, £47 more.

Price changes recorded:

• 15 October 2026: £12,785
• 16 October 2026: £12,823
• 17 October 2026: £12,832

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 5 October 2026; ask the dealer for the current MOT.

It failed its MOT on 2 October 2025 (front brake pad(s) less than 1.5 mm thick; rear brake pad(s) less than 1.5 mm thick) and passed later the same day.

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

Mileage at that test: 61,278 miles, which matches the advertised 69,989 miles.

Advertised mileage is about 41,100 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, £118 more 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, grey. Mileage: 66,000 miles. Price: £13,500, £668 more 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: 61,737 miles. Price: £13,990, £1,158 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, 44 miles from this car. Mileage: 100,172 miles. Price: £8,995, £3,837 less than this car. Dealer: Elm Motor Company in Plymouth. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-3423b3cf0f7a