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44 MPG Highway with 830 lbs load

Discussion in 'Gen 2 Prius Fuel Economy' started by cycledrum, Aug 2, 2009.

  1. cycledrum

    cycledrum PSOCSOASP

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    Took a highway trip over to Half Moon Bay, first time with 4 big people in the car, about 830 lbs total, started 43.X MPG on MFD.

    After 30 miles highway and some hill climbing, was at 44 MPG.

    I was a little surprised. That's the least economy I've ever clocked on the freeway.

    Came back with bit lighter load, finished up day at 48.3 MPG.

    39 psi fr/ 37 rear in tires.

    I can see where the 2010's 1.8L ICE would help economy for max loads at highway speeds.
     
    #1 cycledrum, Aug 2, 2009
  2. krousdb

    krousdb NX-74205

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    A few hundred feet in elevation difference or a 5 mph headwind can knock off 5 mpg easy. If you had a head wind on the way there, most likely you had a tail wind onthe way back. That would explain your results. I have never seen much difference in FE due to weight. Maybe 1 mpg at most.
     
    #2 krousdb, Aug 2, 2009
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