By looking at the photo I doubt that this prototype sports 205/65/15 tyres. They rather look like low-profile tyres.

This brings me to my question: Will 205/65 fit the wires on a Plus 4 and will the still fit under the wings? I love the look of the Roadster Sport with its "fat" wheels.
I might go for a set of tyres but I'm not yet prepared in investing in a new set of wires. Anyone with experience on this dimension?

Same goes for the 4/4: Looking at contemporary pictures of TOK 258, I'm always amazed by the width of the wheels and the flush fit with the wings. The poor 4/4 Sport on the other hand looks very humble on its small tyres.