07 May 2012 8:58 AM:
Hi we always understood that the time on the ITV related to the age of the vehicle, as the car got older the time went from 2 years to 1 year and then as it fot older still it went to 8 month.
The clasification might also have a bearing, but i don't know on that one.
Our car stared on 2 year ITV and now down to every year.
Thread:
ITV Car test
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