Honda S660 2017 is a small kei sports car. Honda S660 is equipped with Engine 660 cc three-cylinder engine producing 64 hp. (40 cu in). It is lightweight roadster sports car. The Japanese Kei car model would be powered by a 660 cc motor with approximately 47 kW (63 hp) and 104 N·m (77 lb·ft) torque to meet Kei regulations.The 2017 Honda S660 has been officially designed as a kei car which means it is actually powered by a sub 660cc engine and weighs just under 700 kg
An export or US market version was hinted to use motors such as a turbocharged 1.0 liter motor with around 95 kW (127 hp). Its introduction signals a return to two-door sports coupes from Honda, taking the smallest position below the larger Honda CR-Z and the top level luxury Honda NSX.