I have been keeping meticulous records on my diesel consumption for my '95 E300, since August of last year. The MPGs are listed below:

27.31 - 19.94 - 24.22 - 21.76 - 24.41 - 24.67 - 23.75 - 24.82 - 21.79
25.41 - 24.47 - 28.45 - 25.86 - 20.57 - 33.33 - 23.26 - 26.66 - 27.13

The average is: 24.88 MPG. Not to good.

My highest was last February at 33.33 MPG with 90% Highway driving. My lowest was last September, at 19.94 MPG with 90% City driving.

The rest are mixed city and Highway, and are rather inconsistent.

Phil

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'95 E300 Diesel, 264,000 Miles. [Sold it]