Subscribe to the channel now: smarturl.it/autocar Ferrari’s brilliant 458 Speciale takes on McLaren’s potent 650S and the well-proven Porsche 911 GT3. Which will come out on top at Castle Combe? Steve Sutcliffe referees. Autocar, the world's leading motoring magazine and website, delivers industry-leading news, the most in-depth car reviews and opinion from our team of experts. Our presenters include some of the world's top motoring journalists who have unrivalled access to the world's fastest, rarest, most exotic and most exciting cars on some of the world's best roads and race tracks. Visit www.autocar.co.uk for the latest news, reviews and analysis New videos are uploaded to Autocar's YouTube channel each week. Don't miss a single one. Subscribe to the channel now: smarturl.it/autocar www.youtube.com/autocar LIKE Autocar on Facebook: www.autocar.co.uk/facebook FOLLOW Autocar on Twitter: twitter.com/autocar +1 Autocar on Google+: plus.google.com/+autocar