The workshop manual states 17cm.

Where is this measured from? I would assume that this is from the lowest point which would probally be the exhaust.

On my car it measures 235 mm from the bottom of the sill pannel ( Actually the flat surface on sill panel, parallel to to ground ) I need to know if this is close to original ride height. I am trying to get a compromise for transport rego purposes regarding the 100mm ground clearance when vehicle is fully loaded.

It's bloody hard to get 100mm ground clearance with the exhaust for the CA with a Cat Convertor.

I need to know if my car is currently, close to original ride height. The only measurement I can give you is from the flat edge of the sill to the ground. Can someone measure their standard 1200 please.