Probably because the s is on 16 inch rims. I would give the zetec s ago, the wife has had hers for 7 years. only parts it's needed is a coil pack 2 front springs due to one snapping a wheel bearing and a new thermostat housing. About £250 in replacement parts, gets about 38 mile to the gallon. they are a bit high up in the rev range on the motorway due to the close ratio box though.