2018 Mazda MX-5 1.5 SKYACTIV-G Sport NAV

Overview

• Make: Mazda
• Model: MX-5
• Trim: Sport NAV
• Version: 1.5 SKYACTIV-G Sport NAV Manual RWD Euro 6 2dr (129 bhp)
• Year: 2018
• Mileage: 26,500 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 1.5 litres, 129 bhp
• Gearbox: Manual
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 139 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mazda MX-5 Sport Nav is advertised with 26,500 miles, approximately 2,300 below the typical mileage for its age. Priced at £14,499, it is advertised £804 below the AskCar estimate of £15,303. 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 88 days, and its asking price is down £1,300. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Fords Of Winsford Car Supermarket, based in Winsford. 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: £804 (5%) under the AskCar estimate of £15,303.

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 1.5 petrol engine is typically advertised at £14,500: the median of the 11 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 88 days, and its asking price has been cut by £1,300. 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 6 August 2026 at £15,799. Its asking price is now £14,499, £1,300 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 6 August 2026: £15,799
• 9 August 2026: £15,999
• 13 August 2026: £16,099
• 24 August 2026: £15,999
• 28 August 2026: £15,899
• 1 September 2026: £15,799
• 5 September 2026: £15,699
• 8 September 2026: £15,599
• 12 September 2026: £15,499
• 16 September 2026: £15,399
• 20 September 2026: £15,299
• 22 September 2026: £15,399
• 27 September 2026: £15,199
• 1 October 2026: £15,099
• 6 October 2026: £14,999
• 9 October 2026: £14,899
• 14 October 2026: £14,799
• 19 October 2026: £14,699
• 24 October 2026: £14,599
• 29 October 2026: £14,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 13 July 2027.

It failed its MOT on 27 June 2026 (nearside front headlamp aim projected beam image is obviously incorrect; offside front headlamp aim projected beam image is obviously incorrect) and passed 7 days later, on 4 July 2026.

There were no advisories at the latest test.

Mileage at that test: 26,058 miles, which matches the advertised 26,500 miles.

Advertised mileage is about 2,300 miles lower than the median mileage of a 2018 Mazda MX-5 on AskCar.

Similar cars

4 other 2018 Mazda MX-5 Sport NAV 1.5 petrol manual convertibles are for sale at UK dealers, from £12,900 to £15,990, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Mazda MX-5 Sport NAV, 1.5 petrol convertible, white. Mileage: 28,691 miles. Price: £14,995, £496 more than this car. Dealer: Vertu Honda Doncaster in Doncaster. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-c28037198921
• 2018 Mazda MX-5 Sport NAV, 1.5 petrol convertible, white. Mileage: 29,000 miles. Price: £15,391, £892 more than this car. Dealer: Prestige Cars by Peter Cooper West End in Southampton. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-f3648ca8ba06
• 2018 Mazda MX-5 Sport NAV, 1.5 petrol convertible, silver. Mileage: 15,987 miles. Price: £15,990, £1,491 more than this car. Dealer: Johnsons Mazda Gloucester in Gloucester. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-3dbe5650c0b3