manual transmission 27k miles
I just bought it a couple weeks ago and have started To notice a slight shudder starting out in first gear. I've read several threads on similar issues but nothing sounds exactly like mine..
After car has sat overnight everything feels perfect until driving 20-30 minutes or so. If all city and/or driving hard it will show up quicker.
It feels as if you are letting the clutch out too fast or not giving it enough gas. I'm eliminating myself as a factor since it's perfect when cold. And I have an 07 gt as well and never had this issue.
If you hold rpms above 2000 it pretty much disappears. If you start out in 2nd it won't show either. If you do an aggressive launch it won't show.
My best guess is the clutch was improperly broke in or driven too hard and it has hot spots on the wheel.
Or maybe a slight fluid leak onto it? I would expect that to be as bad or worse when cold. A bad motor or tranny mount? Same thing, should show when cold.