No, they are not the same. The Alero is an "N" body and the Intrigue is a "G" body. The Alero windshield will not fit in an Intrigue. You might want to look at the Buick Century or the Pontiac Grand Prix, they are the same bodies as the Intrigue. I suspect that the Century windshield is the same as the Intrigue. A simple call to your local glass supplier would give you and answer...