here some italian police cars, sadly most of them have els but should be no problem as you said (zeyo)
FIAT Stilo - Polizia di Stato - GTA5-Mods.com (gta5-mods.com) maker said to convert it to addon or it would disappear in distance
and other skins for the stilo
Carabinieri - Fiat Stilo - GTA5-Mods.com (gta5-mods.com)
FIAT STILO GUARDIA DI FINANZA - GTA5-Mods.com (gta5-mods.com)
Fiat Stilo - Vigili Del Fuoco - GTA5-Mods.com (gta5-mods.com)
now a couple of another cars
Alfa Romeo 159 Carabinieri - LED - GTA5-Mods.com (gta5-mods.com)
Seat Leon - Carabinieri - GTA5-Mods.com (gta5-mods.com)
Iveco Daily - Polizia di Stato - GTA5-Mods.com (gta5-mods.com)
Fiat Bravo - Polizia di Stato [ADD-ON - Replace] - GTA5-Mods.com (gta5-mods.com)