I had this problem too. Went to Colorado (from Abilene) last year and I
seemed to get a lot better mileage in NM and CO - consistently over 20mpg
averaging 70-75mph. In theory, higher altitude would get you less power
and, thus, less mpg, so I don't know what the explanation is. Maybe the
computer adjusts for altitude? Maybe the highways in NM and CO are made of
a harder asphalt (less rolling resistance)?? Maybe those states have a
better formulation of gasoline??? I don't know!!! Anybody??
'92 Dak CC 2wd 318 3.55
'84 GoldWing Interstate
Angela Chavez wrote...
>I got 30 MPG on my vacation trip, driving from Lubbock TX to Carlsbad NM;
>averaged 65-70 mph ('95 4cyl.). While I was in NM, El Paso, and Arizona;
>I got between 25 and 30 MPG. Between Dayton and NM (coming and going), I
>only averaged between 20 and 25 MPG. Does an increase in altitude
>increase milage? That is about the only thing I can think of, as much of
>my driving at home is highway.
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