The two main difference in estimates is traditionally the type parts you’re using and if your damaged panels are being repaired or replaced? In addition, as a rule, the labor rate in any given geographic area is the same.
The point is to ask. And if the shop is reluctant to take the time to briefly explain the type of parts being used and which panels they are repairing and which panels they are replacing, you may want to consider another shop.
In some cases, people don’t even know where or how their vehicle is being repaired – especially if you turn it over to the insurance company. Consider the following: