1972 AMC AMX Javelin Cheapest Muscle Car in US

This time it will discuss a bit about AMC AMX 1972.
Muscle car is often called AMC Javelin.

Used to be the cheapest muscle car in the US.
Ever sticking out in the 1972 PAYDAY movie.
A glimpse of a Ford from the side

why it can be cheap??? let me compete with other muscle car. Power does not need to be asked.