5 States with the Highest Car Registration Fees in the US

4. Connecticut 

Average Registration Fees: $120 for New Registration and $80 to Renew After 2 Years

The state of Connecticut ranks 4th on our list of the 15 states with the highest registration fees in the US. It shares borders with New York to its west, Massachusetts to its north, and Long Island Sound to its south. As of 2021, Connecticut has an average fees of $120 for car registration and it goes down to $80 for renewal after a 2 year period has passed.