The Pennsylvania man who owns the cars has his Plymouth Road Runner Superbird under restoration, and wants to revive a former drag racer 1967 Coronet R/T ...

GM Authority reader Willard asks why the Chevy Colorado uses a four cylinder engine while Nissan Frontier gets a V6. We answer in today's GM Authority Mailbag.

General Motors has turned a Chevrolet Silverado heavy-duty pickup truck into a combat-ready hybrid.

Rotary engines have plenty of quirks, but they can still put up some impressive power figures. Here are some of the most ...