Anyone in the city is able to purchase these vehicles. Please allow up to 24h delivery after purchase and you will get to be the owner for life no matter what happens to the economy. 
Each one of these vehicles will only be sold three times meaning you will 1 of the 3 people that owns one of three of each of these specific vehicles. 

Attention: You may see the same MODEL in the city but you will not see the same model with these unique details.