Just to expensive.

I've been a Santam customer for many years and I have vehicles, home content, personal items and building insurance with them. I'm in the process of buying a new vehicle and they came in almost double than everyone else. I would like to keep the new car on the same policy, but I can't afford to pay the +- R1500 insurance on just the one vehicle. I received quotes from other insurers and they all came in under R850 with the most expensive one at R900 with the only difference being the excess amount is a little higher which I'm fine with. Surely something can be done to match it or to come in under R850 as well?