Adrian Portelli, the Australian billionaire renowned for crane-lifting his $3 million McLaren Senna GTR into his 57th-floor Melbourne penthouse, has now acquired another rare automotive ...

Finally, there’s the Senna GTR. The road-going Senna hasn’t garnered the same mythical reputation as its forebears, but it’s the most intricate, aerodynamically advanced GTR of all.

McLaren’s take on this rarefied breed is the Senna GTR. And it has 172bhp, erm, less than its predecessor, the brilliantly bonkers P1 GTR. In fact, with ‘just’ 814bhp from its 4-litre twin ...