McLaren Automotive turns up the heat at Geneva Motor Show with unveiling of track-only McLaren Senna GTR Concept McLaren Senna GTR confirmed for production following all 500 examples of McLaren Senna being sold before launch Up to 75 track-only cars will be produced, each priced at circa £1 million plus local taxes More power and torque than road-legal McLaren Senna and up to 1,000kg of downforce will see the McLaren Senna GTR post fastest ever McLaren...