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I've heard many times that Diesel engines last longer than gas engines, especially when talking about Trucks.

Is it true? What is the actual reason for this? Is it true for trucks only, or also for cars?

Thanks for the info!

2007-09-15 12:16:58 · 3 answers · asked by crookmatt 4 in Cars & Transportation Other - Cars & Transportation

3 answers

I don't think a diesel is one bit "better" or last longer because they are "built better. A diesel engine is different then a gas engine but they are built the same. One has an ignition system and the other does not. Diesel engines last much longer in large " 18 wheelers " because they run at much lower rpm's than cars or pickups. In small vehicles they are expensive to maintain. If you have a pickup and carry heavy loads or pull large trailers it is probably better to use diesel. They are also quite noisy.

2007-09-15 12:51:10 · answer #1 · answered by tronary 7 · 0 0

A lot depends on the type of driving you do. The reason that diesel engines last so long is that they are not shut off very often. With the new idling laws that are cropping up all over the place that is not true anymore. One of the biggest things that effect the engine is during start up. The more you start your engine the shorter the life span.

2007-09-15 12:28:55 · answer #2 · answered by Ron F 3 · 0 1

Yes its true. They're built better. But, you pay the price. They are more expensive in the first place, and repairs are two to three times more expensive. Its a trade off.

2007-09-15 12:26:22 · answer #3 · answered by JES 6 · 0 0

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