Smart 3 Price in USA Starting from USD 45,000 to USD 50,000. Smart 3 RWD Comes with RWD 315 kW (428 hp) Motor Power that Produce 180 km/h (112 mph) max speed and Acceleration of 5.8 sec 0-100 km/h. It has 62 kWh Liquid-cooled Li-ion 400V battery. It available in both AC or DC charging option.