No matter what generation or variant, Porsche's 911 GT3 is now seen ... the back of a MAN TGX cabover tractor towing a six-car Rolfo Auriga trailer. (The 640-hp truck is technically the most ...

Next month, the group is auctioning off a hauler full ... have been used in Porsche Carrera Cup-style series around the world. The other, a 911 GT3 R, is a GT3-spec car that could have been ...