2023 MINI Convertible 2.0 Cooper S Seaside Edition

Overview

• Make: MINI
• Model: Convertible
• Trim: Cooper S Seaside Edition
• Version: 2.0 Cooper S Seaside Edition Auto FWD Euro 6 2dr (175 bhp)
• Year: 2023
• Mileage: 10,314 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 175 bhp
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 141 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 10,314 miles, this 2023 MINI Convertible Cooper S Seaside Edition has covered about 7,700 fewer miles than other 2023 MINI Convertible cars. The dealer is asking £23,244, which is £697 below the AskCar estimate of £23,941. To work out the AskCar estimate, we analyse UK dealer adverts for 1,035 MINI Convertible cars across different ages and specifications. The asking price is now £1,055 lower than when we first recorded the advert 65 days ago. Its advertised mileage matches the government's MOT record. The seller is Williams Mini Rochdale, based in Rochdale. 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: £697 (2%) under the AskCar estimate of £23,941.

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 2023 MINI Convertible with the 2.0 petrol engine is typically advertised at £22,500: the median of the 103 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 MINI Convertible has been on sale for at least 65 days.

Price history

AskCar first saw this advert on 29 August 2026 at £24,299. Its asking price is now £23,244, £1,055 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 29 August 2026: £24,299
• 20 September 2026: £24,177
• 22 September 2026: £23,922
• 15 October 2026: £23,699
• 31 October 2026: £23,244

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 18 May 2027.

It has had one MOT, on 11 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 8,975 miles, which matches the advertised 10,314 miles.

Advertised mileage is about 7,700 miles lower than the median mileage of a 2023 MINI Convertible on AskCar.

Similar cars

12 other 2023 MINI Convertible Cooper S Seaside Edition 2.0 petrol automatic convertibles are for sale at UK dealers, from £19,699 to £24,250, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 MINI Convertible Cooper S Seaside Edition, 2.0 petrol convertible, blue. Mileage: 9,973 miles. Price: £23,700, £456 more than this car. Dealer: Marshall BYD Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/mini-convertible-2023-b4ea9c102f91
• 2023 MINI Convertible Cooper S Seaside Edition, 2.0 petrol convertible, green. Mileage: 9,898 miles. Price: £22,995, £249 less than this car. Dealer: Berry Thames Ditton BYD in Thames Ditton. AskCar page: https://askcar.co.uk/car/mini-convertible-2023-049ffdb78368
• 2023 MINI Convertible Cooper S Seaside Edition, 2.0 petrol convertible, blue. Mileage: 8,550 miles. Price: £23,495, £251 more than this car. Dealer: V12 Sports & Classics Ltd -Worksop in Worksop. AskCar page: https://askcar.co.uk/car/mini-convertible-2023-b26c3456f2e6

• The nearest: 2023 MINI Convertible Cooper S Seaside Edition, 2.0 petrol convertible, blue, 11 miles from this car. Mileage: 32,787 miles. Price: £19,699, £3,545 less than this car. Dealer: Fords of Winsford Manchester in Manchester. AskCar page: https://askcar.co.uk/car/mini-convertible-2023-f0932f00795e