By Jim Prueter
MotorwayAmerica.com
(February 23, 2018) AMG, the high-performance speed shop for Mercedes, has been hammering out a steady stream of unrestrained, tire-shredding, asphalt-ripping street machines for more than 30 years. The GT R is its latest sports car. If you’re familiar with Germany’s Nurburgring (nicknamed Green Hell), it’s worth knowing that the GT R got around the track in a record 7 minutes and 10 seconds, which Mercedes claims is a record for rear-wheel-drive cars.