I have the current 330d Sport,with Tuning Box plug in module giving 184bhp to 220bhp increase,i currently average around 36-38mpg ,but this is with some very fast driving and 2 trackdays so far with 1650mls on the clock. With some moderate to fast driving you can average around 40 + mpg.
Unless it has a more fuel effiecent 2nd generation Common Rail engine from mine 43.5 mpg is a bit optimistic but not impossible.
I would also agree a 6 speed box is a bit OTT,as the car redlines at about 4750-5000rpm so unless it has a 6th speed cruising gear there will be alot of gearchanging with the 6spd box,but it should be a fantastic car the 330cd,i will be flipping my 330d sedan in for one next year with the M Kit II as i'm not to keen on the new front bumper and prefer the Sport models.
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