Just over one fifth of members said they joined to save money on motoring costs, while 19 percent said they wanted to reduce their environmental footprint.
The survey also found that car club members are now increasingly likely to use active travel, something which the Government has been pushing for.
Almost 30 percent said they had reduced their journeys in a private car, with 18 percent walking more and 10 percent cycling more often.
Dan Gursel, managing director of Enterprise Car Club, said: “Expanding the number of car club vehicles can help local authorities to reduce the number of miles people travel by car and also the number of vehicles they own.