2018 Mazda MX-5 2.0 SKYACTIV-G SE L NAV

Overview

• Make: Mazda
• Model: MX-5
• Trim: SE L NAV
• Version: 2.0 SKYACTIV-G SE L NAV Manual RWD Euro 6 2dr (158 bhp)
• Year: 2018
• Mileage: 23,000 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 23,000 miles, this 2018 Mazda MX-5 SE L Nav has covered about 5,800 fewer miles than other 2018 Mazda MX-5 cars. Priced at £16,750, it is advertised £1,039 above the AskCar estimate of £15,711. 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 123 days, and its asking price is down £750. Its advertised mileage matches the government's MOT record. It is for sale at Castle Motors in Liskeard. 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: £1,039 (6%) over the AskCar estimate of £15,711.

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 123 days, and its asking price has been cut by £750. 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 2 July 2026 at £17,500. Its asking price is now £16,750, £750 less. The latest price cut was seen on 12 October 2026.

Price changes recorded:

• 2 July 2026: £17,500
• 12 October 2026: £16,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 17 June 2027.

It has had 6 MOTs. The latest, on 18 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 23,034 miles, which matches the advertised 23,000 miles.

Advertised mileage is about 5,800 miles lower than the median mileage of a 2018 Mazda MX-5 on AskCar.

Similar cars

4 other 2018 Mazda MX-5 SE L NAV 2.0 petrol manual convertibles are for sale at UK dealers, from £12,500 to £15,298, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Mazda MX-5 SE L NAV, 2.0 petrol convertible, silver. Mileage: 26,405 miles. Price: £14,561, £2,189 less than this car. Dealer: Arbury Peugeot (Lichfield) in Lichfield. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-a32dd7a47b98
• 2018 Mazda MX-5 SE L NAV, 2.0 petrol convertible, grey. Mileage: 26,948 miles. Price: £15,298, £1,452 less than this car. Dealer: Carzar in Inverness. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-856b56e79b3d
• 2018 Mazda MX-5 SE L NAV, 2.0 petrol convertible, white. Mileage: 40,836 miles. Price: £12,500, £4,250 less than this car. Dealer: Good Motors in Bury. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-40d51e3054ba

• The nearest: 2018 Mazda MX-5 SE L NAV, 2.0 petrol convertible, silver, 166 miles from this car. Mileage: 53,000 miles. Price: £12,995, £3,755 less than this car. Dealer: The Car Barns in Welford-on-Avon. AskCar page: https://askcar.co.uk/car/mazda-mx-5-2018-4d3f16402768