Excellent integration of powertrain and in-car technology, head-turning futuristic design, unique powertrain and limited production guarantee exclusivity. The BMW i8 seemingly has all of the prerequisites for supercar status. Inside, you'll find high-end materials everywhere and the i8 is a hybrid. The BMW i8 is powered by a turbocharged 1.5-liter three-cylinder engine, it puts out 369 horsepower with that hybrid powertrain.