Purchase advice 453 with 71ps or 90ps ?!

Hello Motor-Talk Community, first a hello in the round. I am the Dirk and I have registered here new. I wanted to read your opinions about the new smart 453. And that is that I search for a car pure for the city traffic so 90% and times every now and then on country road. Highway rather rare. Are in the new smart the 71PS from ? I have actually 2 offers available. The one with 71PS has the better equipment , for the other the 90 HP To which would you advise me? Thanks before already! H ie the two models: 90PShttp://suche.mobile.de/…/details.html?… 71PShttp://suche.mobile.de/…/details.html?…