A new White limousine decor found under Decor / Sculptures, costs 0. Use cheat moveobjects on to place the limousine.
*** NB. This limousine is not compatible with game mod
as it removes any decor vehicle automatically. ***
White limousine decor (MediaFire)
Black limousine decor
PS. If anyone can make it drivable, please do, and send me a copy of the drivable version.