pretty sure the I in I-series is for fuel injection, so an older I-series wouldn't work out too well. unless it's just one generation previous and uses mechanical fuel injection. if i recall correctly, alfa romeo and bmw were having trouble keeping up with emissions laws with carbs, so they switched up to mechanical injection. bmw and porsche started using the kugelfischer in the late 60s/early 70s, so an I-series from that time period could work out fairly well.
After the Athena, maybe you could do another Moonhawk model (maybe somewhere between the official model in-game and the 2017 Regal-based model you made a few months ago, or possibly a predecessor generation)?
Or not. The bodies I'm finding don't seem to have the right dimensions. May go for an 80s model, or something different. --- Post updated --- I think I found a pair of bodies that may suit an 80s one. One looks a bit like an old Volvo, another - like a Granada wagon or something. Will go for the former, and keep the latter for an older one.
Here's a few other ideas: Burnside Boreal (Mercury Monarch-based vehicle) Clinton-Bamford Silverstone Hirochi Glacier Fiat 500X-based vehicle (Motonelli or Lupo) Gavril HV4 Bruckell vehicle targeted for the Chinese Hirochi Ammono
With how much you're pushing some of the names, you're actually putting me away from doing any of that. Besides, I think I'm now going to do a bunch of own ideas.
Thinking about making an Italy-themed car pack over the next weekends. My ideas include: a 1960s Gavril of Italy sport compact (inspired by Anglia Torino and Capri), retro modern AB car, Maserati Biturbo-style Civetta, successor of the AB car (Fiat 127 × VW Golf Mk1), 00s executive car (Lancia Thesis × VW Phaeton) and a 70s cheap sports car (124 Spider? X1/9? Spider? Beta HPE? × Porsche 914/924). That will likely be all, but some suggestions won't hurt.
Maybe, but I don't think I'd find the right body. Either way, I'm kinda more partial to a Beta HPE/Audi 80/100 Mashup, but we'll see.