Diesel engines easily run 400.000km especially Mercedes cars but petrol will give up way sooner
In: Engineering
There are more moving parts, some of which have very critical timing and alignment. That raises the cost at a constant level of durability. However, people like inexpensive cars. The “solution” is to make less expensive parts, even if they are less durable, as few cars survive to reach 200,000km, much less 400.
This is a pretty common type of engineering tradeoff, cost vs durability.
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