ebodyseast. Most people that have posted information on this thread do not put it on here to belittle anyone. They have studied they cars and have amassed tons of knowledge of Mopars and E Bodies.
Rarity of a car is a funny subject.How is it defined is subject to what the person wants to hear at that moment in time. For example I have never seen another 1971 Challenger optioned like the one I own and I dont think I ever will. Does that make this car super rare,I do not think so.It is only rare if you consider every option and if under a certain number is consided rare. Body style,Motor and Trans are what is the start of car being preceived as rare and you can make up what ever one likes from there via options to make any car rare.
Now does your car have these option on it. EW1 PRXW V3W V5X A01 C16 C55 H51 L31 M31 N41 R11 AUTO.
Also there is atleast one BH27N0B car built after yours.I believe your build date is July 3,1970.