Many of us are all too familiar with the fact that cars are money-pits and you don't get back half the money you put into modding, maintenance, insurance, interest (if financed), etc.
The 1M thread got me thinking, if there are only ~700 of them produced - a low-mileage clean example of one kept in perfect factory condition might INCREASE in value of the years, the same way an E30 M3 would have. What are some newer cars that would apply. Here are some of my picks:
Pontiac G8 GXP