Power is a pure mathematical concept in an engine. The engine output is torque.

I think that any engine, gasoline or diesel engine can provide more power. People have to design it that way. Normally, the diesel cycle is a constant pressure combustion cycle. Diesel combustion is also heterogeneous combustion. Diesel spray is sprayed at very high injection pressures. Either way, it takes time for the diesel spray to burn. Therefore, the diesel engine requires more movement, ie more piston range movement. Also, in order to get more pressure, it must be stronger and therefore more troublesome. As a result of all of these, engine rotation is slower than gasoline engine. However, this does not mean that the power is low. However, more stroke and higher pressure produce more torque, especially nearly twice the available power, and especially for higher capacity engines.

Lower torque requires more torque. Examples include ship propulsion, trucks and buses, tractors and so on. The latest diesel engine for passenger cars is computer controlled, better injectors and pumps are more likely to be gasoline engines

However, in any case, diesel engines typically produce less power for the same capacity or cylinder travel. In other words, the diesel engine must be larger for the same output. This is because combustion is not uniform. There should be more air than the stoichiometry in the cylinder so that diesel fuel can burn effectively. One way to increase the output is to change injector settings using a turbocharger. However, this also increases the thermal load on the engine. This also determines the design of the combustion chamber, especially the shape of the piston crown. It should be like this, it enhances the mixing of fuel and air, creating high turbulence vortices.

In contrast, gasoline engines are based on applying a certain amount of heat. A homogeneous mixture of gasoline and air burns very quickly when ignited. The ultimate pressure is not that high. In addition, this allows the gasoline engine to rotate at a faster rate, sometimes running super cars and super species with a special fuel at a speed of 20,000 rpm. However, the resulting torque is lower than the torque of the diesel engine. Therefore, it is suitable for passenger cars that are required to be fast and lightweight, so no further torque is required.

Torque is part of the basic specification of the engine. The output of the engine is expressed as its torque multiplied by the shaft's speed of rotation. Internal combustion engines generate useful torque only at a limited range of speeds (typically about 1,000 to 6,000 rpm for small cars). The torque output varying within this range can be measured with a dynamometer and displayed as a torque curve. Algebraically, you can organize the equations to calculate the torque for a given angular velocity and power. Note that the force applied by the torque only depends on the instantaneous angular velocity - instead of increasing the angular velocity when applying torque, the reduction is still constant (this depends only on the instantaneous speed) Acceleration generated (in some cases)

Both petrol engines and diesel engines are measured by horsepower and torque. Horsepower is a measure of power and torque is a measure of the torque of the engine of the drive train. Many of both are amazing, but if you have a lot of horsepower and just a little torque your car will be very late. That's why the torque achieves the objective and that's why diesel engines are used in heavy-duty trucks; they are ideal for handling heavy loads as they have a lot of torque. However, since the speed of the diesel engine is not so fast, its average output is smaller than the average output of the gas engine, so the diesel engine sports car is not so much.