Why do Cubans drive old Chevys from the 50s? Why don't they import cars from other countries?

I know they trade with a lot of countries even with the US embargo in effect. So why don't they trade for cars from all these other places?Why do Cubans drive old Chevys from the 50s? Why don't they import cars from other countries?
Because the communist government will not allow the importation of vehicles for private use in Cuba.Why do Cubans drive old Chevys from the 50s? Why don't they import cars from other countries?
Because parts are plentiful, and they have manual transmissions (they can rebuild them in the sand)Why do Cubans drive old Chevys from the 50s? Why don't they import cars from other countries?
They can't afford new cars.Why do Cubans drive old Chevys from the 50s? Why don't they import cars from other countries?
they know what they are doing