When GM chief engineer Al Oppenheiser was tapped to develop the electric GMC Hummer pickup truck, he was given an aggressive timeline that seemed impossible: cut two years from the development cycle.

Leading the lineup is a widebody ’67 Mustang that takes cues from American racers who tackled European circuits in the late ’60s, particularly Shelby Cobras. With stretched fenders, aggressive aero, ...

In Behind the Build Ep. 8 presented by Hagerty, we head to Fountain Valley, California, to visit Ruffian Cars, where founder Chris Ashton has built a reputation on one bold promise: “Building wild ...