The Grotti Itali GTO from the Arena War update.
Vehicles.ide:
italigto, italigto, car, INFERNUS, INFERNUS, VEH@LOW, NULL, 20, 999, 0.2745, 0.2745, 0, 5, 1.0 ,0, sports

Use https://gtaforums.com/topic/955449-iv-zolikapatch/ to unlock the 4 livery limit