Hi HeinzSight ... we have a Galaxy which we bought last year when expecting DT's ... needed something to take 4 children and looked at both S-Max and Galaxy. We felt that the back row of seats on the S-Max might not be that comfortable as a 'permanent' seat for a child (IYKWIM) ... if I recall they were smaller than those in the Galaxy. Can't remember what the middle row of the S-Max was like. Anyway re boot space ... we use all 3 rows in Galaxy and can just fit our double Easywalker pram into the boot ... there is no way it would have fitted into the S-Max with the back row of seats in use ... much less headroom and smaller boot. Hope this is of some help. If you can go to a showroom and look at both side by side it would probably help a bit. Happy car hunting!