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: 42,533 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 42,533 miles, this 2018 Mazda MX-5 Sport Nav has covered about 13,700 more miles than other 2018 Mazda MX-5 cars. Its asking price of £14,900 is £25 above the AskCar estimate of £14,875. The AskCar estimate draws on 629 Mazda MX-5 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 19 days ago. Its asking price has since fallen by £400. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Marshall MINI Hampshire in Hook. 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: £25 (under 1%) over the AskCar estimate of £14,875.

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 19 days.

Price history

AskCar first saw this advert on 14 October 2026 at £15,300. Its asking price is now £14,900, £400 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 14 October 2026: £15,300
• 23 October 2026: £15,400
• 27 October 2026: £15,300
• 30 October 2026: £14,900

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 7 August 2027.

It has had 6 MOTs. The latest, on 27 July 2026, passed.

Advisories at the latest test: oil leak, but not excessive; offside rear upper suspension arm pin or bush worn but not resulting in excessive movement; nearside rear lower suspension arm pin or bush worn but not resulting in excessive movement.

Mileage at that test: 41,457 miles, which matches the advertised 42,533 miles.

Advertised mileage is about 13,700 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, red. Mileage: 36,000 miles. Price: £13,890, £1,010 less than this car. Dealer: JAD Motor in Birmingham. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-20b7553ffefb
• 2018 Mazda MX-5 Sport NAV, 2.0 petrol convertible, grey. Mileage: 61,737 miles. Price: £13,990, £910 less than this car. Dealer: FRF Mazda Swansea in Swansea. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-845a2c8d0932
• 2018 Mazda MX-5 Sport NAV, 2.0 petrol convertible, red. Mileage: 23,022 miles. Price: £15,295, £395 more than this car. Dealer: Maxfield Kadlubowski Group in Twickenham. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-e316ab16a1b8

• The nearest: 2018 Mazda MX-5 Sport NAV, 2.0 petrol convertible, grey, 6 miles from this car. Mileage: 66,000 miles. Price: £13,500, £1,400 less than this car. Dealer: Mortimer Cars in Basingstoke. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-25655e74fd9b