2018 Mazda MX-5 RF 1.5 SKYACTIV-G Sport NAV

Overview

• Make: Mazda
• Model: MX-5 RF
• Trim: Sport NAV
• Version: 1.5 SKYACTIV-G Sport NAV Manual RWD Euro 6 2dr (129 bhp)
• Year: 2018
• Mileage: 26,327 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

At 26,327 miles, this 2018 Mazda MX-5 RF Sport Nav has covered about 8,600 fewer miles than other 2018 Mazda MX-5 RF cars. The AskCar estimate for this car is £15,675. It is priced at £14,499, which is £1,176 below 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. We first saw this car advertised 133 days ago. Its asking price has since fallen by £1,500. The recorded MOT expired on 9 September 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Available Car Supermarket - Castle Donington in Castle Donnington. 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: £1,176 (7%) under the AskCar estimate of £15,675.

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 1.5 petrol engine is typically advertised at £14,000: the median of the 11 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 Mazda MX-5 RF has been on sale for at least 133 days.

Price history

AskCar first saw this advert on 22 June 2026 at £15,999. Its asking price is now £14,499, £1,500 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 22 June 2026: £15,999
• 21 July 2026: £15,799
• 13 August 2026: £15,499
• 2 September 2026: £15,299
• 12 September 2026: £14,999
• 10 October 2026: £14,699
• 21 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: the latest record we hold ran out on 9 September 2026; ask the dealer for the current MOT.

It failed its MOT on 4 September 2025 (offside front service brake excessively binding) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 25,135 miles, which matches the advertised 26,327 miles.

Advertised mileage is about 8,600 miles lower than the median mileage of a 2018 Mazda MX-5 RF on AskCar.

Similar cars

7 other 2018 Mazda MX-5 RF Sport NAV 1.5 petrol manual convertibles are for sale at UK dealers, from £9,995 to £14,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Mazda MX-5 RF Sport NAV, 1.5 petrol convertible, black. Mileage: 20,331 miles. Price: £14,995, £496 more than this car. Dealer: Windsors Mazda in Wallasey. AskCar page: https://askcar.co.uk/car/mazda-mx-5-rf-2018-27c88e6d3b57
• 2018 Mazda MX-5 RF Sport NAV, 1.5 petrol convertible, white. Mileage: 38,446 miles. Price: £14,695, £196 more than this car. Dealer: Rockingham Mazda Corby in Corby. AskCar page: https://askcar.co.uk/car/mazda-mx-5-rf-2018-8d3d10c60b2b
• 2018 Mazda MX-5 RF Sport NAV, 1.5 petrol convertible, silver. Mileage: 38,812 miles. Price: £14,980, £481 more than this car. Dealer: Green 4 Motor Company Leamington Mazda in Warwick. AskCar page: https://askcar.co.uk/car/mazda-mx-5-rf-2018-1209adaa998d

• The nearest: 2018 Mazda MX-5 RF Sport NAV, 1.5 petrol convertible, grey, 21 miles from this car. Mileage: 87,650 miles. Price: £10,750, £3,749 less than this car. Dealer: Shire Car Sales in Stoney Stanton. AskCar page: https://askcar.co.uk/car/mazda-mx-5-rf-2018-24f3067f48f5