Quote Originally Posted by webmiester View Post
Does this mean that their fuel mileage differences arent far apart anyway? The starex salesman had incredible figures for his fuel mileage which he claims was double that of the old starex. If the consumption isnt far from Nissan, then I dont think it would be "double" that of the old starex...

Anyway, if the vans were driven on a convoy, the vans at the back would have less air drag and have an advantage in fuel economy

What odometer error? Arent these things suppose to display the distance, that's all?
If it's double the old Starex, good. The old Starex was kind of thirsty on diesel. Took it to Baguio, got a combined economy of 8.6 km/l.

Doesn't matter in your typical convoy... and there's no indication of which van lead. Slipstreams have a positive effect on fuel economy if you're driving very, very close to the guy in front of you at speeds over 100 km/h. At your regular 80 km/h, the difference isn't crucial.

You calculate fuel economy by dividing distance driven by number of liters used. If your odometer incorrectly displays distance driven, then your economy numbers are wrong. If one vehicle (apparently the Nissan) has an unusually fast odometer... then obviously, it would show better fuel economy than the other two.

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Many CRDis I've driven recently have not been quite as economical as old-school diesels... but who cares? They're faster, quieter, smoother and better in almost every other sense and they're still more economical than gas engines. The problem is that our local diesel is terrible, and as a result, CRDis have to be tuned conservatively (erring towards the safety side rather than the economy side) to prevent damage.