The Bora is smaller, lighter and less powerful than the BMW so you should expect better economy in the VW.
Just because it is less powerful it does not mean that it will be more economical, less powerful engines have to be worked harder.
Assuming it is a 320d it should do approx 48-50mpg on a run though 44 is not bad if it a mix of commuting through traffic. using the performance on back roads etc. However if it is a 330d 44mpg is good.
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I forgot to say, its a 320d. I was expecting 48-50 on a run and actually got 44. In more mixed driving its around 41-42. I did a careful run over 35 miles the other day oand it managed 46, but I was very lightfooted. I did a brim to brim to check the trip computer and it's accurate within 0.5 MPG.
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As already mentioned if you are running your car in sensibly along H.J`s guidelines, it will take up to 15k before the engine is fully loosened up and performing at its optimum.
Local economy depends very much on your local terrain, i.e. number of hills and traffic density and the ability to utilise 5th gear to the optimum. My 320d Touring manages the same as yours (41 -42) locally, but I live in Cornwall with plenty of steep hills and not too much scope to maximise 5th gear. The best I have achieved on a 330 mile journey on mainly motorway conditions at 80 mph cruise is 49 mpg. From my experience to exceed 50 mpg you will need an extremely light foot, but it certainly will be achievable once your engine is fully run in.
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It will bed in. Trust me. I am on my fourth new BMW diesel they take a while to settle in. It is easy to get the MPG down by "enthusiastic" driving !
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I've done approx. 16,000 miles in a 320td (6-speed box)with overall average 49.5 mpg, never dropped below 48.5 overall. Rural situation with some low-gear mountain climbing. Recent 600 mile trip at 52.9 mpg. Extra weight of Tourer would account for say 5-10% off these figures
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I guess it's all too easy to take advantage of the lovely drivability of these cars and so wreck the mpg. I've not got it below 40 which is pretty good considering the performance that it has. A ST200 Mondeo driver the other day was quite surprised I could keep right up with him.
Am looking forward to when it beds in. I was thinking of getting an extra oil change in (service indicator says around 18K miles) along HJ's recommendations but maybe it will bed in quicker if I leave it as is and do the extra oil changes once the first service has been done at the normal interval.
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