7 Series E65
The best models are those up to 2003, preferably in a basic version – then you can be sure nothing will break (as is the case for me – nearly 500k on the clock). Otherwise, you must accept that this model is terribly unreliable and astronomically expensive. Let's not hide the fact that this isn't a car for those earning an average national wage. If you have patience, a fat wallet, and ideally a second (backup) car, the sight of an E65 parked outside the shop makes it all worthwhile. I've driven newer ones and...
Pros:
Reliable in early models (pre-2003), Impressive presence, justifies cost for enthusiasts, High mileage achievable with proper care
Cons:
Extremely unreliable in later models, Prohibitively expensive to buy and maintain, Requires significant financial commitment and backup vehicle