2018 Mazda MX-5 RF 2.0 SKYACTIV-G Sport NAV

Overview

• Make: Mazda
• Model: MX-5 RF
• Trim: Sport NAV
• Version: 2.0 SKYACTIV-G Sport NAV Auto RWD Euro 6 2dr (158 bhp)
• Year: 2018
• Mileage: 18,700 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.0 litres, 158 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 167 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 18,700 miles on the clock, this 2018 Mazda MX-5 RF Sport Nav has done roughly 16,200 fewer miles than a typical 2018 Mazda MX-5 RF. The AskCar estimate for this car is £19,551. It is priced at £19,750, which is £199 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 117 Mazda MX-5 RF cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 139 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Castle Motors, based 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: £199 (1%) over the AskCar estimate of £19,551.

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 117 priced Mazda MX-5 RF adverts across different ages and specifications, as of 2 November 2026.

A 2018 Mazda MX-5 RF with the 2.0 petrol engine is typically advertised at £16,500: the median of the 15 for sale on AskCar, as of 2 November 2026.

Time on sale

The dealer may accept less. This 2018 Mazda MX-5 RF has been on sale for at least 139 days. About 6 in 10 of 2018 Mazda MX-5 RF cars are gone from sale within a month of being advertised: 32 of the 57 first advertised between 16 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 16 June 2026 at £19,750. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 22 April 2027.

It has had 5 MOTs. The latest, on 23 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 18,223 miles, which matches the advertised 18,700 miles.

Advertised mileage is about 16,200 miles lower than the median mileage of a 2018 Mazda MX-5 RF on AskCar.

Similar cars

1 other 2018 Mazda MX-5 RF Sport NAV 2.0 petrol automatic convertible is for sale at UK dealers, as of 2 November 2026.

The closest to this car in mileage:

• 2018 Mazda MX-5 RF Sport NAV, 2.0 petrol convertible, grey. Mileage: 34,000 miles. Price: £16,990, £2,760 less than this car. Dealer: Michael Stockton Motor Company in London. AskCar page: https://askcar.co.uk/car/mazda-mx-5-rf-2018-204c4f269d82