Auto insurance premiums depend on the insured party's driving record. A record free of accidents or serious traffic violations typically results in a lower premium. Drivers with histories of accidents or serious traffic violations may pay higher premiums. Likewise, because mature drivers tend to have fewer accidents than less-experienced drivers, insurers typically charge more for drivers below age 25.
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