Some people do drive them, and some really do not. My KR only goes out in nice weather, and when I'm in the mood. When I do drive it, it's usually on a longer road trip to some place fun, or just to explore new (to me) roads. I've had it since Oct. '09, and now have around 3K miles. The car's a blast. I have the Bullitt that's more of a regular driver, but still not a daily; it's got about 10K on it now. Took it out today, for a trip to the Reagan Library.
Daily driver that sees all the mileage, is an '05 Toyota minivan...115K on it, and I don't care if I put 300K on before scrapping it.
...If people are looking for collectibility in this car, it will come with time and originality. The muscle cars of the past took 30 years to become collectible, as the DD's and boneyards consumed those that were not garaged. I feel that this new CAFE standard is going put the same collectibility with these beautiful machines. It will take a few decades for the value and rarity to show. Just be patient...
There are some diferences now, versus then... The main one that I think will affect desirability, is new technology muscle cars.
While most people don't see them as traditional "muscle", fast electrics
will most certainly be fast
! For those not lucky enough to have grown up with slot cars, I'll let you in on a little known fact; slot cars have long been the quickest accellerating wheeled vehicle. Okay, so not really a vehicle, but a toy, you say..? You'll be seeing some old slot car technology in future cars. In another "toy" area, R/C model racing boats.. The fastest are now electric, and in just the last few years, have been outrunning highly tuned, hand massaged model marine nitro engines (running around 80%+ nitro to alcohol). Those engines have outrageous power to weight ratios, and can make well over 7 HP per cubic inch(!)...and the electrics are now running away from them at over 120mph on the water.
Modern muscle cars, while faster and more reliable than those of years past, will be competing against newer technology, both on the streets and in collector garages. For those of you sitting on these Mustangs as collector items in hopes of their value appreciating... Only time will tell. Remember though, not all things are the same now, as they were in years past.
Drive 'em while you can; they're too much fun
to just keep as garage art.