2018 MINI Convertible

2.0 Cooper S Manual FWD Euro 6 (s/s) 2dr (189 bhp)

£12,295

Fair price: within 8% of the typical £11,645 for this model, age and mileage, drawing on 948 adverts of this make and model.

Overview

Make: MINI
Model: Convertible
Trim: COOPER S
Version: 2.0 Cooper S Manual FWD Euro 6 (s/s) 2dr (189 bhp)
Mileage: 48,651 miles
Year: 2018
Fuel type: Petrol
Body type: Convertible
Engine: 2.0 L
Gearbox: Manual
Power: 189 bhp
Seats: 4
CO2: 142 g/km
Colour: Silver
Doors: 2
Driven wheels: Front Wheel Drive
Engine badge: Cooper S
Emissions standard: Euro 6

About this car

This 2018 MINI Convertible Cooper S has covered 48,651 miles, around 7,600 more than typical for its age. The dealer is asking £12,295, which is £650 above our market estimate of £11,645. Our estimate draws on 948 MINI Convertible adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 145 days ago, and its asking price has since fallen by £200. That history is worth bearing in mind when speaking to the dealer. Its MOT is recorded as valid until 21 May 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at Moorside Garage in Maidenhead.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 145 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £200 from the first recorded £12,495. 1 price reduction recorded, the latest observed on 23 June 2026.

Recorded asking prices
Date observed	Asking price
29 May 2026	£12,495
23 June 2026	£12,295
11 July 2026	£12,295
19 October 2026	£12,295

Price and mileage comparison

Estimated market asking price: £11,645. The asking price is £650 above this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 948 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 7,600 miles higher than typical for a 2018 MINI Convertible.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 21 May 2027. 48,649 miles at the last test.

9 other cars with the same year, trim, gearbox and fuel are for sale from £9,499 to £14,250.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£9,499	71,459 miles
£9,995	76,798 miles
£11,382	39,000 miles
£11,590	37,404 miles
£12,850	40,181 miles

These cars have covered 16,491–76,798 miles, compared with 48,651 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all MINI Convertible cars for sale · 2018 MINI Convertible price guide

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Dealer

Moorside Garage, Maidenhead. Across the dealer network: 16 cars for sale.

Dealer postcode: SL6 4EJ.