Thread: The great petrol vs diesel debate

Put "petrol versus diesel calculator nz" into google.
There is a really good spreadsheet on the Welcome to the Ministry of Transport website | Ministry of Transport website that works it all out.
Diesel is cheaper for large cars where a petrol motor in the same car would be chugging it back.
Diesel cars are however more expensive as is the servicing.

In my case it would take about 3 years at 15000km per year before I would start saving money taking into account the extra cost of the car and the higher service costs.