Avoid 1.2s and 1.4s and 1.6 diesels with seven-speed dry clutch DSGs or s-tronics. Ford's six-speed dry clutch Powershift has had some oil seal problems in Fiestas. six-speed wet clutch Powershift in 2.0 litre Fords and six-speed wet clutch DSG or s-tronic in 2.0 litre VAG cars equally good, though Powershift better to drive in traffic because you don't have to brake to shift from N to D.