Michigan is the Most Expensive State to Drive in Jun 12, 2015 Auto News SuperUser Account Owning a car is very expensive nowadays. There are many things to consider, such as maintenance and repair costs, insurance and most importantly, gas. Many factors can affect these costs going forward. According to 24/7 Wall St., Michigan is the most expensive state to drive in! 24/7 Wall St. calculated the annual operating expenses of owning a car in each state based on three measures: gas expenditure, repairs and maintenance, and insurance premiums. The cost of purchasing a vehicle was not included in the analysis. Michigan, where the cost of owning a vehicle is an estimated $4,678 per year, leads the nation. Hawaii, on the other hand, is the least expensive state to own a car, with an estimated annual cost of $3,310. Highest: 1. Michigan Total operating cost: $4,678 No. of vehicles per 1,000 people: 828 (20th lowest) Avg. price of gas: $2.82 (13th highest) Avg. insurance premium: $2,476 (the highest) Lowest: 50. Hawaii Total operating cost: $2,732 No. of vehicles per 1,000 people: 951 (15th highest) Avg. price of gas: $3.34 (3rd highest) Avg. insurance premium: $1,114 (18th lowest) To view the complete list, please click here. To learn more information about Michigan Driving and how it is the most expensive state to drive in, please visit the following link: http://247wallst.com/special-report/2015/07/28/the-most-expensive-states-to-drive/11/