2018 MINI Convertible 1.5 Cooper

Overview

• Make: MINI
• Model: Convertible
• Trim: Cooper
• Version: 1.5 Cooper Manual FWD Euro 6 (s/s) 2dr (134 bhp)
• Year: 2018
• Mileage: 20,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 1.5 litres, 134 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Silver
• CO2: 114 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 20,000 miles, this 2018 MINI Convertible Cooper has covered about 23,400 fewer miles than other 2018 MINI Convertible cars. Priced at £9,995, it is advertised £1,673 below the AskCar estimate of £11,668. The AskCar estimate draws on 1,055 MINI Convertible adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. We checked its advertised mileage against the government's MOT record, and they match. The seller is Central Garage Of Sidford, based in Sidford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Good value: £1,673 (14%) under the AskCar estimate of £11,668.

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 1,055 priced MINI Convertible adverts across different ages and specifications, as of 6 November 2026.

A 2018 MINI Convertible with the 1.5 petrol engine is typically advertised at £10,000: the median of the 62 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2018 MINI Convertible advertised today. About half of 2018 MINI Convertible cars are gone from sale within a month of being advertised: 56 of the 115 first advertised between 11 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £9,995. 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 6 November 2026: valid until 4 May 2027.

It has had 6 MOTs. The latest, on 30 April 2026, passed.

Advisories at the latest test: rear tyre slightly damaged/cracking or perishing both sides; front tyre slightly damaged/cracking or perishing both sides; front brake disc worn, pitted or scored, but not seriously weakened both sides; and 1 more.

Mileage at that test: 19,844 miles, which matches the advertised 20,000 miles.

Advertised mileage is about 23,400 miles lower than the median mileage of a 2018 MINI Convertible on AskCar.

Similar cars

45 other 2018 MINI Convertible Cooper 1.5 petrol manual convertibles are for sale at UK dealers, from £5,995 to £12,995, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2018 MINI Convertible Cooper, 1.5 petrol convertible, red. Mileage: 23,360 miles. Price: £11,199, £1,204 more than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-ba87796d3406
• 2018 MINI Convertible Cooper, 1.5 petrol convertible, grey. Mileage: 23,500 miles. Price: £12,100, £2,105 more than this car. Dealer: Marshall MINI Bournemouth in Bournemouth. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-0ef652384dd2
• 2018 MINI Convertible Cooper, 1.5 petrol convertible, blue. Mileage: 24,503 miles. Price: £9,999, the same price as this car. Dealer: Grange Corvette Birmingham in Coventry. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-7eb14f09796c

• The nearest: 2018 MINI Convertible Cooper, 1.5 petrol convertible, blue, 7 miles from this car. Mileage: 30,000 miles. Price: £11,795, £1,800 more than this car. Dealer: Harts Of Honiton in Honiton. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-4f7fde45e009