Depends on which engine you're referring to, as there were several engine options for the Challenger in 1970.
Around $4500-5000
$3,100 to $4,500 depending on options.
anywhere from $80,000 to $200,000.
anywhere from $3,300 to $4,500.
There is no such thing as a 1965 dodge challenger
only $5,600
The Hemi IS an engine, you can't "put" a hemi on to another engine
The 2012 Dodge Challenger SRT is not yet available
There is no such thing as a Dodge Challenger fire bird
It costs £25,000.
$41 to $45,000
$3,500 to $4,500