2018 MINI Convertible 1.5 Cooper
Price: £8,700. Good value: £1,107 (11%) under the AskCar estimate of £9,807, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,035 priced MINI Convertible adverts on AskCar as of 2 November 2026.
AskCar lists 1,068 used MINI Convertible from 694 UK dealerships, as of 2 November 2026.
Overview
- Make: MINI
- Model: Convertible
- Trim: Cooper
- Version: 1.5 Cooper Manual FWD Euro 6 (s/s) 2dr (134 bhp)
- Year: 2018
- Mileage: 49,806 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 4 seats
- Engine: 1.5 litres, 134 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: White
- CO2: 122 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 49,806 miles, this 2018 MINI Convertible Cooper has covered about 6,600 more miles than other 2018 MINI Convertible cars. The dealer is asking £8,700, which is £1,107 below the AskCar estimate of £9,807. To work out the AskCar estimate, we analyse UK dealer adverts for 1,035 MINI Convertible cars across different ages and specifications. We first saw this car advertised 18 days ago. Its asking price has since fallen by £900. The government's MOT record matches its advertised mileage. You can find this car at Foray Motor Group English Ford in Poole. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Good value: £1,107 (11%) under the AskCar estimate of £9,807.
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 1,035 priced MINI Convertible adverts across different ages and specifications, as of 2 November 2026.
A 2018 MINI Convertible with the 1.5 petrol engine is typically advertised at £10,000: the median of the 61 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2018 MINI Convertible has been on sale for at least 18 days.
Price history
AskCar first saw this advert on 15 October 2026 at £9,600. Its asking price is now £8,700, £900 less. The latest price cut was seen on 30 October 2026.
Price changes recorded:
- 15 October 2026: £9,600
- 30 October 2026: £8,700
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 31 May 2027.
It has had 8 MOTs. The latest, on 20 May 2026, passed.
Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge.
Mileage at that test: 47,990 miles, which matches the advertised 49,806 miles.
Advertised mileage is about 6,600 miles higher than the median mileage of a 2018 MINI Convertible on AskCar.
Similar cars
44 other 2018 MINI Convertible Cooper 1.5 petrol manual convertibles are for sale at UK dealers, from £5,995 to £12,995, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2018 MINI Convertible Cooper, 1.5 petrol convertible, blue. Mileage: 50,000 miles. Price: £9,490, £790 more than this car. Dealer: Stratus in Basingstoke. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-c1c8dc4fa922
- 2018 MINI Convertible Cooper, 1.5 petrol convertible, silver. Mileage: 49,541 miles. Price: £9,210, £510 more than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-e155a4a97523
- 2018 MINI Convertible Cooper, 1.5 petrol convertible, black. Mileage: 50,600 miles. Price: £9,450, £750 more than this car. Dealer: Chequers Cars Chobham in Woking. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-f387f4d9e3f5
- The nearest: 2018 MINI Convertible Cooper, 1.5 petrol convertible, grey, 2 miles from this car. Mileage: 23,500 miles. Price: £12,200, £3,500 more than this car. Dealer: Marshall MINI Bournemouth in Bournemouth. AskCar page: https://askcar.co.uk/car/mini-convertible-2018-0ef652384dd2
Browse all MINI Convertible cars for sale · 2018 MINI Convertible price guide
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- Used MINI Convertible Cooper prices
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Photos
19 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.