Actually, they very may well be.
I have a 530i (which is admittedly not a 911 or Vanquish). Got it used through the dealership's certified program (100k mile warranty vs. 40k for new). It cost one-third less than new, and got a 1% interest note. After some research, I did my own oil changes, performed routine maintenance and started looking for a fairly priced mechanic when the warranty had about 10k left.
That was 11 years and 220k miles ago. The car still looks great (the 1998-2004 body styles were their best ever), runs exceptionally well, and I place the money I would have spent on leases, new car depreciation, and pricey dealership maintenance/repairs in investments. When I want another ride, I'll have the cash on hand for it.
Moral of the story: get a solid used car, take very good care of it, and drive it into the ground. If you don't own a business where it's a write-off, leasing or buying new is just burning cash for its own sake.
I know quite a few folks who own exceptionally fine cars, and largely do the same thing. Many of us, frankly, are thinking more about the Tesla, which is cheaper in the long run in fuel costs. In addition, the Model S has a fully transferable 8 year unlimited miles warranty, with extensions after the 8th year for an additional 50k miles for $4,000. That's an excellent ROI.
