Awasome Car Insurance Average Cost Per Month References. The average comprehensive car insurance costs $134 a month but you don't need to pay that much. Idaho car insurance at $722.
Idaho car insurance at $722. As for the average cost of car insurance premiums, it is gel 126 per month. For 2022 is currently $1,567 per year, ranging from $1,426 for compact suvs up to well over $2,400 per year for luxury cars.