Classic cars are a labor of love for true enthusiasts. It turns out they can also be a good investment. The folks at Kwik-Lift looked at the numbers.They based their calculations on five of the most expensive vehicles Barrett-Jackson sold in January 2018.The models ranged from 1968 through 2015.The investment was compared to investing the same amount of money in the S&P 500 on January first of the car’s model year.The folks at Kwik-Lift point out their calculations do not include costs along the way, like maintenance, insurance and taxes, because this was for fun.Just something to consider if you have your eye on a classic