One company dominates the list of the 20 most expensive cars to insure

• A car insurance premium is the rate an owner pays to activate an insurance policy, which protects them against accidents, damages, stolen vehicles, and other incidents.

• The car insurance website Insure.com compared car insurance rates of more than 3,600 vehicle models across all 50 states to find out which cars are the most expensive and least expensive ones to insure.
• The most expensive cars to insure are Mercedes-Benz models. Mercedes-Benz cars took up the top three spots in the "most expensive" list, and they ended up being included in just under half of the 20 spots.

Car insurance premiums are important pieces of data for any prospective purchaser. A car insurance premium is the rate an owner pays to activate an insurance policy that protects them against accidents, damages, stolen vehicles, and other incidents.

The car insurance website Insure.com compared car insurance rates of more than 3,600 vehicle models across all 50 states to find out which cars are the most expensive and least expensive ones to insure. The study included using quotes from six different insurance companies and averaging these premium numbers to get a comprehensive score set.

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The most expensive cars to insure are Mercedes-Benz models. Mercedes-Benz cars took up the top three spots in the "most expensive" list, and they ended up being included in just under half of the 20 spots.

The main contributor to their high insurance rate is the fact that these are high-end luxury cars that carry a bunch of trendy features that are often difficult to repair following an accident.

Aside from being luxurious, another feature that can make a car model expensive to insure is if it lacks a roof. Four convertibles made the list.

"Convertibles are usually more expensive than a hardtop version and they are also more prone to theft and vandalism (it's pretty easy to cut a soft top), which leads to more claims and higher premiums," Mark Valet at Insure.com writes.

Take a look at the 20 most expensive cars to insure, below: