The Porsche Boxster Spyder from NFS World.
No custom handling, here's my vehicles.ide line (uses Comet handling):
boxsterspyder,boxsterspyder,car, COMET, COMET, VEH@LOW, NULL, 30, 999, 0.2621, 0.2621, 0, 5, 1.0 ,0, noboot+sports
Known issues:
Doors don't work properly (NFS World doesn't have properly seperated door models, so only the outside part of the door moves)
Detached/moved components reveal huge holes in the car mesh (NFS World's cars weren't designed for IV's damage model)