it doesnt realy matter what engine you go for at the moment cos if u go for the diesel ok you get cheaper tax but look how much diesel costs u over the year, just buy a car that suits u and your needs ,dont buy a 4x4 or any engine above 2.0 . but at the moment the mariva 1.3 cdti is suppost to be the nuts cheap tax low emmisions and v good fuel economy, but for me it drives like the corsa, and for the same sorta money u could get a new shape zafira look good drive good got the flexabilaty and the fuel consumption isnt that bad