Cambridge-based car sharing service Zipcar Inc. said today it has completed the integration of Spain’s largest car sharing service, Avancar of Barcelona.

Zipcar (929 Mass Ave., Cambridge)

Photo by Christopher Schmidt.

The service will operate as “Avancar, a Zipcar company.” The Avancar integration included conversion of the entire fleet in Barcelona onto the Zipcar network. Vehicles in Barcelona are now available to all Zipcar members, with rates starting from four Euros an hour and 45 Euros a day, including insurance, gas, and 20 kilometers of driving per day.