The new AMG GT C Roadster is the second powerful AMG GT. It is powered by a V8 4.0 liter Bi-Turbo engine that delivers 557 hp. We drove the new AMG GT C Roadster through the beautiful South Mountain Preserve and invite you to take a seat and have a good 360 degree look around. Join in and enjoy the sound of the AMG GT C driving through the countryside near Phoenix during this 360 degree test drive. Source: http://360-testdrive.com