Apologies for delay,
Rang Expeditors, do not do cars (Insurance, if cars have fuel and blow up !!) , but full container from Florida - Dublin is 3500 eur.
Motor Custom clearance cover duty / tax paperwork ; 80 per car
Rang ITS (8906600), 40 FT. of cars would cost 4K USD, and local charges .. Warehouse, Unloading , Custom Clearance about 1K EUR, you must organise to take container from docks, and get your distro to load container.
NY have roll on-off ferry , suppose to be much cheaper for ferrying from US-Ireland..