Ever surprise what the mechanics are behind your insurance premium? Granted these are examples of the rarest and most sought after muscle vehicles. Nonetheless, even “frequent” muscle cars have experienced notable gains. The 1970 Plymouth Highway Runner with a 440ci engine bought for $3,500 and at the moment trades at $fifty five,000. A 1967 Pontiac GTO price $3,750 and now goes for $45,000. That is a 6.eight% compounded price of return. Each modified vehicle will need to have a fuel system that’s securely fixed to the automotive so as to not intervene with the car’s operation,” Bryan factors out.