I know it is not really comparable, but here is Aston Martin with their new pride the "Vulcan". 800 HP and 0-60 in about 3 seconds. Price $2.3 million. For that kind of money you can have almost 20 P85D's with specs that are comparable.
BBC - Autos - Exclusive: Up close with Aston Martin's 800bhp Vulcan
BBC - Autos - Exclusive: Up close with Aston Martin's 800bhp Vulcan