How we rate products In compiling our list of the best car insurance choices for teen drivers, we looked at the top car insurance companies and evaluated them based on the unique criteria needed for teen and young drivers. Company name Best for Average monthly full coverage cost for teenagers Average monthly liability-only cost for teenagers Auto-Owners Cheap car insurance for teens $192 $101 Erie Best for support from agents $222 $123 USAA Best for military families $186 $94 GEICO Best for college students $258 $141 State Farm Best for safe driving $212 $106 Progressive Best for discounts $306 $187 Always remember to compare quotes from multiple car insurance companies when changing your policy or switching insurers, and it doesn't hurt to have conversations with your teen now about the…