go to AutoZone.com | Get In The Zone!
type in you car info
search battery > you should come up with a list of batteries that will fit your car, depending on your price range.
in many cases, the size may not exactly be the same as your old one. what is important however is that the CCA rating is the same or higher than you old battery. For as long as the height is the same and you can hold the batt down with your old battery hold-down, you'll be fine.
If you desire perfect fit, then you'll need to source out batteries from forign car specialty shops