Timing belt vs Drive belt question

[Cam Nguyen <cnguyen@xxxxxxxxxxxxxxxxx>]

Hi guys,

This is a general question to any car with Timing Belt.

I notice that Drive Belts are usually worn out at 30-40 K intervals and
need to be replaced, but Timing Belts are only replaced at 60K (or higher).

Does this mean Timing Belts are better designed?

This seems strange as Timing Belts are more important because when they
break, it is a disaster for the engine, and therefore should be replaced at
the same intervals as the Drive Belts!

Any ideas?

Cam

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