Difference between four stroke petrol engine and four stroke diesel engine [with Pdf]

Difference between four stroke petrol engine and four stroke diesel engine

Sr. No.Four Stroke Diesel EngineFour Stroke Petrol Engine
1In this engine, Combustion starts due to Sprays the fuel into compressed air.In this engine, Combustion starts due to the spark plug produces spark in Air-Fuel Mixture.
2In this engine, Diesel is used as fuel.In this engine, Petrol is used as Fuel.
3Spark Plug is Absent.Spark Plug is Present.
4 The Compression Ratio is High.Compression Ratio is Less.
5Less Fuel Consumption as compared to Four Stroke Petrol Engine.More Fuel Consumption as compared to Four Stroke Diesel engines.
6Cost of Four Stroke Diesel Engine is High.Cost of Four Stroke Petrol Engine is High as compared to Four Stroke Diesel Engine.
7More maintenance costs.Less maintenance cost.
8Application Of Four Stroke Diesel Engine:- Bus, Truck (Heavy-Duty Vehicles).Application Of Four Stroke Petrol Engine:- Two-wheeler, Car (Lightweight Vehicles).
9It works on Diesel Cycle.It works on Petrol or Otto Cycle.
10Fuel mixes with air inside the combustion chamber.Fuel mixes with air in carburettor before going to the combustion chamber.

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