
You got that wrong. But probably what general public think and why cat C/D cars are so cheap.Cat D is major crash damage, Cat C is major damage that is required to be 'professionally repaired' and go through a more 'intensive' MOT test to make sure that it is once again fit for the road.
Basically un-economical to repair. For sub 1k cars this could be very very minor damageD - Repairable salvage. Minimal damage sometimes stolen and found after claim has been paid, or cost of repair combined with difficulty obtaining new parts to enable a swift repair.
More substantial damage but again perfectly repairable. Needs an inspection.C - Repairable salvage. Generally applies to older vehicles. Can be sold for repair but must now have VIC inspection.
As all the A pillars and other structural items will be squashed.B - Not for resale. Damaged beyond economical repair and/or severe structural damage.

Less structurally sound due to being repaired?
Whats the deal with insurance companies? Do they charge a lot more on policies? or do some insurers not even accept CAT vehicals?
It's already been stated that it makes no difference.
Its jsut ive googled it and people are saying
"i cant find an insurance company that will cover CAT vehicals"
or that sorta thing...
The biggest thing is that they are worth less if you come to sell them, which many people forget. .
if you buy it for half the price, then it doesn't matter if it's 1/2 the price when you sale it.