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: 36,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.0 litres, 158 bhp
• Gearbox: Manual
• Drive: Rear-wheel drive
• Colour: Red
• CO2: 161 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mazda MX-5 Sport Nav is advertised with 36,000 miles, approximately 7,200 above the typical mileage for its age. The AskCar estimate for this car is £15,495. It is priced at £13,890, which is £1,605 below that estimate. 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 86 days, and its asking price is down £2,100. Its advertised mileage matches the government's MOT record. You can find this car at JAD Motor in Birmingham. 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

Good value: £1,605 (10%) under the AskCar estimate of £15,495.

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

The dealer may accept less. This 2018 Mazda MX-5 has been on sale for at least 86 days, and its asking price has been cut by £2,100. 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 8 August 2026 at £15,990. Its asking price is now £13,890, £2,100 less. The latest price cut was seen on 25 October 2026.

Price changes recorded:

• 8 August 2026: £15,990
• 16 August 2026: £15,500
• 26 August 2026: £15,250
• 28 August 2026: £14,650
• 4 September 2026: £14,950
• 12 September 2026: £14,760
• 22 September 2026: £14,560
• 14 October 2026: £13,990
• 25 October 2026: £13,890

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 10 August 2027.

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

There were no advisories at the latest test.

Mileage at that test: 35,336 miles, which matches the advertised 36,000 miles.

Advertised mileage is about 7,200 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: 42,533 miles. Price: £14,900, £1,010 more than this car. Dealer: Marshall MINI Hampshire in Hook. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-b8085736d7fe
• 2018 Mazda MX-5 Sport NAV, 2.0 petrol convertible, red. Mileage: 23,022 miles. Price: £15,295, £1,405 more than this car. Dealer: Maxfield Kadlubowski Group in Twickenham. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-e316ab16a1b8
• 2018 Mazda MX-5 Sport NAV, 2.0 petrol convertible, red. Mileage: 15,111 miles. Price: £16,995, £3,105 more than this car. Dealer: Edwards Motors in Kempsey. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-6f2cdf113302

• The nearest: 2018 Mazda MX-5 Sport NAV, 2.0 petrol convertible, grey, 14 miles from this car. Mileage: 69,588 miles. Price: £12,950, £940 less than this car. Dealer: Holdcroft Motor Group Wolverhampton Handpicked in Wolverhampton. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-fbe8ee69d8ce