Aston Martin working on mid-engine Valkyrie ‘brother’ to rival McLaren P1

We know about the Aston Martin Valkyrie and the Valkyrie AMR Pro (pictured). And we know Aston Martin is planning a mid-engine rival for the Ferrari 488 and McLaren 720S. Now Autocar reports that the English luxury maker is working on yet another mid-engine model, a hypercar to outdo the McLaren P1 and Ferrari LaFerrari and stand up to the coming McLaren BP23.