It's the same logic as why smokers pay more for life insurance or why drivers with bad driving records pay more for auto insurance. (aaltci.org)
The higher the risk you represent because of bad driving record or low credit score, the higher the premium. (carinsurancequote.net)
Although bad driving records do affect premiums, there are insurers out there who specialize in the non standard (risky) market and can offer more affordable rates. (onlineautoinsurance.com)