2018 MINI Convertible prices

There are 88 used 2018 MINI Convertible cars for sale from UK dealers on AskCar, as of 9 November 2026. Typical asking price £10,700 (the median: half cost less, half cost more). The cheapest is £5,995. The middle half are priced between £9,500 and £12,500. Median mileage: about 44,000 miles.

Dealers lowered the asking price on more than a third of 2018 MINI Convertible cars: 34 of the 88 in the 14 days to 9 November 2026.

2018 MINI Convertible prices by engine and mileage

A 2018 MINI Convertible 2.0 petrol car typically costs £13,700, against £10,000 for the 1.5 petrol, as of 9 November 2026.

EngineAll mileagesUnder 20,000 miles20,000 to 40,000 miles40,000 to 60,000 miles60,000 miles or more
1.5 petrol£10,000Too few for saleToo few for sale£10,000Too few for sale
2.0 petrol£13,700Too few for saleToo few for saleToo few for saleToo few for sale

2018 MINI Convertible prices by trim

TrimTypical asking price, 2018 cars
Cooper£10,000
Cooper SToo few for sale
John Cooper WorksToo few for sale
Cooper ClassicToo few for sale
Cooper S ClassicToo few for sale
Cooper ExclusiveToo few for sale

Only 13 of the 2018 MINI Convertible cars for sale are Cooper S, too few to give a typical asking price.

Only 8 of the 2018 MINI Convertible cars for sale are John Cooper Works, too few to give a typical asking price.

Only 6 of the 2018 MINI Convertible cars for sale are Cooper Classic, too few to give a typical asking price.

Only 2 of the 2018 MINI Convertible cars for sale are Cooper S Classic, too few to give a typical asking price.

Only 1 of the 2018 MINI Convertible cars for sale are Cooper Exclusive, too few to give a typical asking price.

Typical asking prices are of 2018 MINI Convertible cars for sale on 9 November 2026, and are given only where at least 20 cars with a price are for sale.

2018 MINI Convertible against other years

A 2017 MINI Convertible car has a typical asking price of £10,000 and a 2019 one £12,000, as of 9 November 2026.

AskCar lists 1,080 used MINI Convertible across the UK, from 696 dealerships.

As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2018 MINI Convertible cars for sale now, page 2 of 2

This page lists 2018 MINI Convertible cars not picked out on page 1, cheapest first.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 1,040 priced MINI Convertible adverts on AskCar as of 9 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2018 MINI Convertible.

Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer and town; AskCar page. Each car's AskCar page has its full price history and cheaper cars like it.

This list leaves out 3 cars whose advertised mileage is lower than the mileage recorded at their last MOT test.

MINI Convertible by gearbox, fuel and body

MINI Convertible prices by year

MINI Convertible by trim

2018 MINI Convertible by trim

MINI Convertible by price

MINI Convertible near you

More MINI

Everything