GM's Twin Six V12 engine weighed just under 1,500 pounds. It was primarily used for commercial vehicles, including large ...

GM design legend Bill Mitchell oversaw development of a one-off Ferrari-engined Pontiac Firebird in the early 1970s ...

Because Mopar fans love to Hellcat everything – not just Dodges of the Challenger, Charger, and Durango variety – they might have dibs on anything related to combinations of the words hell, cat, and ...

After getting wind that crosstown rival Chrysler was developing a V10-powered sports car, Chevy responded with an experimental Corvette that could've made the Viper look like a threadsnake. After the ...