Credit score is typically bigger than both of those if you are not living in some crazy ghetto place.
I can't see credit score having much, if any effect. My mom pays $82 a month full coverage on her 07 Caliber, and her credit is so bad that they wont even assign a number to it.
2011 Mitsubishi Lancer GTS - DD mode
1991 Mitsubishi 3000GT - Many mods to come