Hmm! It's too familiar - I am pretty sure it is a legit model. It just has loads of styling cues in there as well. The haunches and back screen angle give the Aston DB look, that cut-off back says Ginetta/Ferrari/Opel or similar to me. But it appears to have a moderate looking single exhaust on it, and those knock-on hubs look authentic which must date it.

Those tail lights look identical to the 308, and there does look to be something Ferrari-ish about it, except for that little exhaust!!

I still have a nagging feeling it is might be a US model, but I'm not that good on all the different models and years there!

(This is annoying now... I'm going to sleep on it and hope for inspiration!!)

Nick