Depends on a number of factors such as overall condition, mileage, options, etc...
Something that old and in poor shape is pretty much only worth what someone is willing to pay for it.
Check out this site, they can tell you what it is worth. http://www.nadaguides.com/Classic-Cars
Depends on what engine a 1972 dodge challenger has...
The Dodge Challenger Hellcat as 707 horsepower.
try manheim gold.com.
The 2012 Dodge Challenger SRT is not yet available
There is no such thing as a Dodge Challenger fire bird
It costs £25,000.
The 2010 Dodge Challenger's engine produces 250 ft-lbs. @ 3800 rpm.
The 2008 Dodge Challenger's engine produces 420 ft-lbs. @ 4800 rpm.
The 2012 Dodge Challenger's engine produces 268 ft-lbs. @ 4800 rpm.
The 2013 Dodge Challenger's engine produces 268 ft-lbs. @ 4800 rpm.