Sixt Barcelona Diagonal Mar Hilton offers great rent a car deals to start your driving adventure. Sixt Barcelona Diagonal Mar Hilton is a great location if you want to hit the beach, drive around the spectacular Spanish coast or explore all the touristic sights of Barcelona. Sixt offers a wide range of sedans, station wagons, SUVs, 4x4s, and convertible luxury cars to choose from. You will also be able to add additional drivers, LDW insurance, a GPS, and more features to your car rental deal at our Sixt branch in Barcelona Diagonal Mar Hilton.