How Much Does Car Insurance Cost For An 18 Year Old? 
Insurance premiums can be as unique as the insured . The premium for your auto insurance coverage is based on many factors , age is just one of them . Type of coverage -LRB- liability only or full coverage -RRB- and deductible levels will also play an important roll in your auto insurance rate . Base on my limited experience within my geographic area the premium for an eighteen year old could be under one hundred dollars per month for 100/300/100 coverage liability only . 