Beacuse for example they are not making classic muscle cars anymore and the price keeps going up so they are a great investment, my 70 cutlass, paid 400 bucks, put 400 into it and have been offered 3500 for the car unpainted And girls love that car even in primer grey I have no problems getting them to look, they dont even look at the teg that much. And I like them so I have a few, usually one for my wife, she likes blue cars and i like yellow, so I bought her the same cars I have and hers are blue and mine will be yellow, problem solved.