It would be worth doing some digging to ascertain exactly which gearbox is used in the 2L models. I'm assuming that the 2L 140TSI, with its 320nm of torque, is equipped with a wet-clutch DSG and not the fragile dry-clutch DQ200 found in on the 1.8L models. However, I haven't been able to confirm this.
I'd avoid the 1.8L models purely down to the DQ200 alone. Plus, the 2L will feel a lot nicer to drive even when tootling around due to the extra torque.
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