That doesn't totally explain what this Austin was built for and why as it looks like nothing you're probably familiar with here in the U.S., because it's for so-called Autograss racing in the ...

Liam Doran’s twin-hayabusa-engined Mini goes up against a custom Autograss racer. Autograss is a sport you may have never heard of before, but in the UK and Ireland, it’s a pretty big thing.