We get up close with the rear axle steering system standard on a Porsche 911 Turbo and optional on a Porsche 911 Carrera, Cabriolet and Targa. Want to keep up to date with everything going on in the world of cars? Visit our website here: http://www.parkers.co.uk/ This is the official YouTube channel for Parkers, the expert on car reviews that you can trust. Find the right car at the right price for you - new or used - be it a Tesla, Mercedes, Volkswagen, or BMW. Subscribe here: https://www.youtube.com/user/ParkersTV/featured?sub_confirmation=1