Quote:
Originally Posted by MB-Owner-in-ind
Summer time my 83 300D does 30 mpg in my 44 mile trip to work confirmed with gps. In the winter I get 26 mpg
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I can't help re: 300D fuel economy, but I wonder if perhaps tire pressure is more of a factor in winter than the diesel blend?
Given that you lose a few psi due to contraction in colder temps, I'm inclined to think this will play a pretty significant role in lowering winter mpg figures.