There is only one Smart car engine available in America and it is Daimler’s 1.0L, inline 3-cylinder type. It also has an aluminum engine block and cylinder head with 4 valves per cylinder. Bore is 2.83 inches with a 3.22-inch stroke. This engine is rated at 52 kW or 70 horsepower at 5,800 rpm with a peak torque of 68 foot-pounds at 4,500 rpm. The oil capacity of this engine is 3.5 quarts and there are 4.5 quarts of coolant in its cooling system. Multiport fuel injection is how you deliver the gasoline to the cylinders.
To transfer this power to the rear wheels, a 5-speed dry single-clutch plate automated manual transmission is used. Gear ratios are for first gear -3.308, second is -1.913, third is -1.258, fourth is -0.943, and fifth gear is -0.707. The reverse ratio is -3.231 and the final drive in the rear is -4.529.
The front axle suspension has a lower wishbone with McPherson Struts and an anti-roll bar. The rear axle suspension is DeDoin with coil springs and telescopic shock absorbers.
The ABS braking system is a dual-circuit design with tandem power assist. The front brakes are 11-inch discs and the rear are 8-inch drums. This system also features traction control and electronic brake assist.
This is the breakdown of not only the Smart car’s engine, but also the other major mechanical components that come standard on this fuel-efficient car.