Liability auto insurance protects you from that worst case scenario by providing a cushion between your assets and the amount you’re on the hook for. For this reason, choosing the right auto liability limits is the most important part of your car insurance quote comparison. NerdWallet typically recommends having at least as much liability coverage as your net worth.

A lot goes into an auto insurance rate quote, including your ZIP code, coverage levels, marital status, annual mileage, driving history and vehicle make, year and model. In most states, your gender and credit history are also used to determine rates. And again, the reason auto insurance comparison shopping is so important is because rates between companies are different for each person, too.

That said, the State Farm quotes we received were shockingly expensive when compared to the competition — typically around three times as much. While the extra cost may be worth the guarantee of good financial strength and customer service, we always recommend gathering quotes from multiple providers to see which strikes the best balance between cost and coverage.

Gap insurance is insurance that may be required if you lease or finance a car. Gap insurance covers the difference between what your car is worth and what you owe on your auto loan should your car be a total loss in an incident. For example, let’s say you have a car loan with a balance of $20,000, but your car is only worth $15,000. If it’s totaled in an accident, your insurance will only pay out $15,000 and you will owe $5,000 to settle your loan. If you have gap insurance, that policy will pay the $5,000 to settle your loan balance.
Collision coverage is limited to the actual cash value of the vehicle, and requires a deductible, which is the amount you'll need to pay before receiving benefits. Higher deductibles lower your premium but increase the amount you must pay out of your own pocket if a loss occurs. Ask yourself how much you would be willing to pay on short notice in order to save on your premium, or talk to your agent.
If you insure more than one vehicle, you may be able to stack your uninsured/underinsured motorist coverage. For example, let’s say you cover two vehicles on the same policy and each vehicle has a standard $25,000 in uninsured motorist protection. If you have stacked coverage and sustain injuries in a crash caused by an uninsured driver, you’ll be able to draw from both payouts for a combined total of $50,000 in coverage.
When comparing car insurance quotes, it helps to compare apples to apples; in other words, you want to be sure that the quotes you get are for identical - or at least very similar - auto insurance policies. Once you have a better idea of the type of coverage you’re looking for in a policy, this will be easy. To better understand coverage types start here
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