I seen her 7 or 8 years ago at more-less similar asking level. Some brokers asked much higher price later on.
I guess You have a GOOD chance to own Your dream/ Just give her a try!
I also believe I have answered Your question for me myself. I am pretty sure Designers/Architects are taking care of what THEY are doing at first when designing the boat for certain tasks/sailing conditions/areas. Ama sizes are "attached" to that, keeping in mind amas length is related to amas...
Chasing "recent market"? May this be the answer?
The price for a newly built G4 with automated foils control in 2019 was Eur 1.7 upto 2.0 (depending on specs).
" The base boat costs €1.195m ex VAT in sail-away condition. ...
The demonstration model, fully kitted out with a carbon mast, carbon cabin top, a high-end suit of Incidence race sails, NKE electronics, a watermaker and a whole host of other cruising extras costs slightly over €1.7m ex VAT"