A manual transmission, commonly referred to as a stick shift, self-shifting transmission, or n-gear automatic, is a type of auto transmission in which the driver does not need to shift gears manually, instead the transmission simply changes itself from one gear to the next as the car speeds up. The transmission is controlled by a transmission clutch, which is used to engage the transmission in gear while the engine is running and to disengage it from the gear when the engine is stopped. In addition to the speed in which the car moves, a manual transmission can be used in various types of cars. For example, a manual transmission is used in cars with low engine outputs to make it easier for the driver to accelerate and change gears. It is also used in motorcycles, as it is often considered as easier for the motorcycle driver to control their vehicle.
As far as the efficiency of the transmission is concerned, an automatic transmission is more energy efficient than a stick shift. This is because an automatic transmission does not need to change the drivetrain of the car, the transmission only needs to work in combination with the vehicle's engine. Therefore, the transmission needs to operate at its peak efficiency to reduce fuel consumption. An automatic transmission is also preferred over a stick shift because it can be programmed to perform certain tasks at a certain time, such as changing gears, accelerating and decelerating. Because an automatic transmission has all of these features, it is much more flexible than a stick shift and is thus considered to be easier for the driver to operate. Also, in some cases, an automatic transmission is considered to be easier to repair in case of any damage or malfunctioning in the transmission. For this reason, most people opt for an automatic transmission when it comes to purchasing a car.
Manual transmissions have the disadvantage of being harder to drive with, especially in cars with smaller engines or low horsepower. They are also slower than an automatic, making it harder for a driver to be able to properly accelerate. However, compared to automatic transmissions, they are more affordable and can be easily upgraded if they are needed.