Why it's on the list: Fuel; Maintenance; Repairs; Depreciation
The last BMW on our list is the BMW 7 Series. This car isn't nearly as expensive as the 5 Series, but it is pretty close. Its big engines will get you at the gas pump, with fuel costs being the first reason to say no to this car. The 7 Series will cost you a pretty penny to maintain, but if you keep it in good repair you won't have to worry about paying to fix it up. The repair costs are through the roof, and when you look at the depreciation value of the car, it just doesn't seem worth it. You'll be losing money on this car, and that's a guarantee.