On older cars the premium charged for this coverage is often more than the car is worth and removing it can save you around 40 % in your premiums. (stockmonkeys.com)
The difference is in underwriting standards to issue the policy in the first place, how they pay claims, and the price charged for coverage. (effectivecoverage.com)
All of this combined will ultimately determine exactly how much each company charges you for their coverage. (choicemutual.com)