It varies depending on year, condition, restoration quality, originality, etc. You need to be more specific if you want an accurate answer.
About $1.oo . If it is in original condition...
i think it was a Pontiac GTO
It is worth face value.
Varies greatly, a mint, numbers matching 455HO 4 speed car could bring over $35-40K. A much more common 400 car about 2-20K depending on condition.
No way of answering without knowing overall condition, originality of parts, etc.
That totally depends on what condition the car is to begin with and what level of restoration you want to achieve. You can easily spend more than the car is worth. That does not mean it is not worth the effort. The '67 is one of the best years for the GTO.
The Plymouth Volare didn't exist in 1972
Condition and originality are key. There is no way we could give you a fair evaluation here.
There is no way of knowing that
go to manheimgold.com and figure it out.
$900,000.00 in 1972 had the same buying power as $5,179,380.00 in 2016.
£10 in 1972 would be worth £97.50 in today's money, allowing for inflation.