The BMW i8 Roadster is a two-seat plug-in hybrid sports car manufactured by BMW. The i8 Roadster is based on the limited edition i8 Coupe model and features a lightweight chassis, a powerful hybrid powertrain, and a low center of gravity. It is equipped with a 1.5-litre turbocharged three-cylinder engine coupled with an electric motor that produces a combined output of 374 horsepower, allowing the car to accelerate from 0-60 mph in 4.2 seconds. The i8 Roadster features a unique design with an open-top roof that can be operated at the push of a button, along with an active rear spoiler and a variety of driver assistance features.