McLaren Automotive has revealed new information on the P1 GTR—a track-only version of the company’s P1 sports car—including details about the racecar’s interior and the McLaren GTR Driver Program. Membership is included with the purchase of the vehicle, reportedly priced upwards of $3 million. To prepare owners to drive the GTR, McLaren will grant them access to the company’s simulators, which have previously been available only to members of its racing team. This will allow owners to familiarize themselves wi…