One thing to consider. My wife and I babysat for some friends of ours. During that time we had to put the little one in my Vx as my wifes car was at home. I folded one side of the back seat down and just put the car seat in through the back door. It sucks but works if need be. Seeing as how you have other vehicles for the baby and the Vx would only be an occasional ride then I'd say try that. Your wife will then have a nice seat up front while baby is in back. I for one wouldn't want to ride in the back with a baby seat. It's not the footroom but more so the width of the seat. Plus it's mildly claustrophobic in the back.