Compare the Mini Cooper John Cooper Works Roadster - [2012] vs Land-Rover Defender 110 3.0 Turbo - [2019]. Find out which car is the fastest, most powerful, lightest or has the biggest engine in our top trumps style comparison page. Find out which car has the highest top speed or is the fastest accelerating, is it the Mini Cooper John Cooper Works Roadster or the Land-Rover Defender 110 3.0 Turbo. We'll leave it up to you to decide which is your favourite.