Enclosed car haulers can ship two or three vehicles at a time while open trailers can ship up to 10. There are also two-tiered enclosed car containers that transport five or six vehicles at once.

This eBay seller is giving up his restored Airstream Trade Wind travel trailer that has been repurposed as a toy hauler; it's ...

and can cost 40% to 60% more than open shipping. Because enclosed car trailers can’t carry as many vehicles as open car haulers, transport costs more and takes longer.