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: 28,691 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 1.5 litres, 129 bhp
• Gearbox: Manual
• Drive: Rear-wheel drive
• Colour: White
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mazda MX-5 Sport Nav is advertised with 28,691 miles on the clock. Its asking price of £14,995 is £29 above the AskCar estimate of £14,966. The AskCar estimate draws on 638 Mazda MX-5 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 12 days ago. Its asking price has since fallen by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Vertu Honda Doncaster, based in Doncaster. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £29 (under 1%) over the AskCar estimate of £14,966.

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 638 priced Mazda MX-5 adverts across different ages and specifications, as of 4 November 2026.

A 2018 Mazda MX-5 with the 1.5 petrol engine is typically advertised at £14,100: the median of the 12 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 Mazda MX-5 has been on sale for at least 12 days.

Price history

AskCar first saw this advert on 23 October 2026 at £15,495. Its asking price is now £14,995, £500 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 23 October 2026: £15,495
• 24 October 2026: £14,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 28 October 2027.

It has had 6 MOTs. The latest, on 13 October 2026, passed.

Advisories at the latest test: nearside front inner tyre worn close to legal limit/worn on edge 3mm; nearside rear inner tyre worn close to legal limit/worn on edge 3mm; nearside front outer tyre slightly damaged/cracking or perishing sidewall/rim protector & where tread meets sidewall cracking/perishing; and 1 more.

Mileage at that test: 28,582 miles, which matches the advertised 28,691 miles.

Advertised mileage is about 1,100 miles lower than the median mileage of a 2018 Mazda MX-5 on AskCar.

Similar cars

5 other 2018 Mazda MX-5 Sport NAV 1.5 petrol manual convertibles are for sale at UK dealers, from £11,237 to £15,990, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 Mazda MX-5 Sport NAV, 1.5 petrol convertible, white. Mileage: 29,000 miles. Price: £15,391, £396 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, grey. Mileage: 26,500 miles. Price: £14,499, £496 less than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-948089084bd1
• 2018 Mazda MX-5 Sport NAV, 1.5 petrol convertible, silver. Mileage: 15,987 miles. Price: £15,990, £995 more than this car. Dealer: Johnsons Mazda Gloucester in Gloucester. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-3dbe5650c0b3