Yeah, after this i don't take you serious anymore, now you go back to last gen in a next gen thread. And you pick a game thats almost 10 years old wich let me to believe that you think that GTS in game models are more comparable to Forza 4 maybe
. And the lod is still low quality in game even for that NSX its not a bug for some cars,its just lower lod for all the cars in gameplay
and the photomode lod is 1 lod higher as always
gameplay (the rear view mirror is missing vs the photomode and the interior is much lower quality)
photomode
gameplay (look at the inner sides of the wing and the interior)
photomode
and a bonus for you, since you talked about Forza Motorsport 4. When you are in rivals, hot lap or time attack mode with 1 car on the track, the car lod is the same as photomode even on the xbox360.
And the same goes for base Xbox One with later Forza's. So in game Forza Motorsport 4 has even higher lod on some modes than GTS, even if you pick 1 car on the track in GTS its still doesn't use higher lod as i did above.
now look at this, same car in game with 1 car Forza Motorsport 4 (2011) Xbox 360 vs GTS (2017) PS4
as you see it doens't even have the same lod model as Forza Motorsport 4 and you said that it was nothing special on pc and Xbox X. GTS in game car models are really far behind the comeptition and its not even close.