If you are arriving by train in Barcelona, Spain and need to rent a car for leisure or for business, Europcar will be happy to serve you at their car hire agency located in Barcelona railway station

Barcelona (Spain) car rental station
Europcar rental offices are usually very close to rail train stations.
You will be offered a large choice of cars at the Europcar rental station of Barcelona, Spain : from small economy cars to large family cars and sporty convertibles, minibuses and luxurious sedans.