168 miles each day, been doing this for 2 months now, one oil chane (synth only) in that time, started at between 25 -28 mpg, now a steady 30 mpg, I get (before the reserve light comes on , that means 17.5 gal ) 500 miles

This is a 1980 116 body 300SD by the way

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1982 300SD (214 k, excellent shape) kidmobile running mostly biodiesel, gets 31 mpg hwy with 2.82 rear from a euro 500SEL



1976 115 body 240D 4-speed (traded for Jeep parts) - Engine lives on in my CJ7