Dunno if it is a diff year, but the space where the top tube and .. bottom tube? connect to the headset seem to be quite different. The "firebird' looks a lot tighter...
A larger frame will have a larger space between the top and downtube on the headtube. One may be a 54, the other a 56cm.
A larger frame will have a larger space between the top and downtube on the headtube. One may be a 54, the other a 56cm.