BMW announces i8 Roadster and K2 concepts for L.A. Auto Show

Set to debut in Los Angeles, the BMW i8 Concept Roadster achieves an estimated 78 mpg and goes from 0-60 mph in 4.6 seconds. This plug-in hybrid is powered by a high-performance drivetrain combining an electric motor and a gasoline engine with a lithium-ion battery that can be charged in a short time, the automaker claims.

















