Difference between diesel engine and petrol engine

Question

Accepted Answer

Diesel engines are more efficient and have higher torque, while petrol engines have higher power and are more refined.

Diesel engines use compression ignition, while petrol engines use spark ignition.
Diesel engines have a higher compression ratio than petrol engines.
Diesel engines are more fuel-efficient and have better mileage than petrol engines.
Petrol engines have a higher power-to-weight ratio than diesel engines.
Petrol engines are more refined and quieter than diesel engines.
Diesel engines have higher torque, making them better suited for heavy-duty applications.
Petrol engines are better suited for high-speed applications, such as racing cars.
Diesel engines emit more pollutants than petrol engines, but modern diesel engines have improved emissions control systems.

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