Big changes could be in store for car sharing Torontonians. Enterprise Rent-A-Car announced earlier today it's buying AutoShare, Toronto's first car-sharing organization.

"AutoShare will continue to operate under its current brand indefinitely," Enterprise said in a press release. "[It] will be owned by Enterprise Rent-A-Car Canada Company and managed by its local Toronto division." It later said that AutoShare would be "served" by the company's own Enterprise CarShare brand, though it's not clear what that means at this stage.

Enterprise also owns Alamo and National Car Rental. It has 130 Enterprise offices in the GTA.

Zipcar was bought by Avis last year for $500 million. CEO Scott Griffith resigned shortly after that deal was finalized.

The details of the AutoShare purchase haven't been made public.

Chris Bateman is a staff writer at blogTO. Follow him on Twitter at @chrisbateman.