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Because of higher compression ratio.

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14y ago

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Related Questions

What is more expensive petrol or diesel?

diesel is more expensive


Does petrol or diesel cost more?

diesel is usually more expensive but diesel cars usually have more mpg than petrol cars


Which is more efficient a petrol engine or a diesel engine?

It will depend upon the conditions. Under normal operating conditions a diesel engine is more efficient than a petrol engine.


Why is petrol engine RPM is greater than diesel engine?

for same power diesel engine produces more torque @ less rpm whereas petrol engine produces less torque @more rpm this difference is due to different combustion processes of diesel and petrol


Is diesel or petrol more efficient?

Diesel engines are more efficient. They get better mileage, produce more torque, and last much longer than a gasoline engine. They are also more expensive to build.


Why diesel gives more milage than petrol and petrol car costly than diesel?

Diesel engines are more efficient and do use less fuel, but they do not cost less than a petrol engine, they cost more. Diesel fuel also costs more. A diesel engine will however last longer.


Is the petrol engine is costly thab diesel engine?

No, diesel engines cost more to build than petrol engines. They are built much heavier.


Why does a petrol engine have more power than a diesel engine?

A petrol engine revs higher, which allows it to burn more fuel and output more power.


Is the volumemetric efficiency of diesel engine more than a petrol engine?

Yes


Why is diesel cheaper than petrol?

cost of refining the crude oil ofcourse... In the UK diesel is more expensive than normal unleaded petrol.


What is more efficient the gasoline engine or diesel engine?

The diesel is more efficient but more expensive to build.


Can you jump start a flat battery on a diesel car from a petrol car?

The diesel battery is bigger as it take a lot more to get a diesel engine going. Best bet is to charge the diesel battery using the petrol, connect the 2 and leave the petrol engine running.