No, electric vehicles do not use gearbox as they have high torque at low speeds.

• Electric motors have a wide range of torque and can operate at low speeds without the need for a gearbox.

• Gearboxes add w...read more

Because of so called engine in an electric vehicles while internal combustion engine require multiple gearbox with different ratio of power output.

for speed control. Because BLDC motor is also possible to control via elctrical speed control method. But , cosideration of economic and reliablity and userfriendlyness we use gearbox