The new Cadillac Converj concept is a four-passenger coupe built to showcase GM’s cutting-edge electric engine—the Voltec, which was formerly known as E-Flex. The Voltec is made up of a 16-kWh, T-shaped battery, a four-cylinder engine-generator, and an electric drive unit. It provides power to a luxury coupe and can run 40 miles on electricity using the thermally managed16kW lithium-ion battery pack and can extend up to 700 miles when it switches to the extended-ranged mode which uses a flex-fuel-powered engine to create electricity. It has 273 lb.-ft. of torque and 120 kW of power running at the top speed of 100mph.

Designed for its cost-effective performance, the Cadillac Converj can run in either of the two revolutionary six-cylinder engines that have been never used before in a Cadillac—a 3.0L direct injected V6 engine which is the standard choice, or a 2.8L turbocharged V6 engine.

As far as aesthetics go, Converj’s dynamic design still boasts of Cadillac’s signature grille. Its framework features a sweeping shape lines and creases. While its exterior is finished with a dark silver tri-coat named by the GM designers as “Reaction.”

Bob Lutz, Vice President of General Motors, claimed that with the extended range mode, the Cadillac Converj can run “hundreds of miles” on one tank of gas. Its fuel efficiency is better compared to a gasoline-powered vehicle, and it also covers more range compared to a pure electric car.