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Outperforms EPA Highway Rating on Road Trip - 2015 Dodge Viper GT Long-Term Road Test

Edmunds.comEdmunds.com Posts: 10,059
edited July 2015 in Dodge
imageOutperforms EPA Highway Rating on Road Trip - 2015 Dodge Viper GT Long-Term Road Test

With fewer than 2,000 miles, our long-term 2015 Dodge Viper is not too far off of its EPA rating. A 700-mile road trip helped us eke out some decent MPG.

Read the full story here


Comments

  • Even if it is off a bit it is still impressive but I have to question (again) calculating mpg based off of such short runs where it is filled at different stations.

    Different pumps at different stations click off on me at noticeably different fill levels on the tank. There is one station here that fills enough higher than others and so each tank from there looks like I did the best mpg ever when I fill up at a different station next.
    Over time that will average out but not on a single short test.

    If you are filling to where you can see the gas I would think that wouldn't be very good for the vent systems and is increasingly difficult with the fancy pumps, at least in California.

    I know it can be done on a short test with proper measuring methods this just seems really prone for error.
  • ebeaudoinebeaudoin NE IllinoisPosts: 509

    Even if it is off a bit it is still impressive but I have to question (again) calculating mpg based off of such short runs where it is filled at different stations.

    Different pumps at different stations click off on me at noticeably different fill levels on the tank. There is one station here that fills enough higher than others and so each tank from there looks like I did the best mpg ever when I fill up at a different station next.
    Over time that will average out but not on a single short test.

    If you are filling to where you can see the gas I would think that wouldn't be very good for the vent systems and is increasingly difficult with the fancy pumps, at least in California.

    I know it can be done on a short test with proper measuring methods this just seems really prone for error.

    Unfortunately there is only so much a person can control when it comes to calculating MPG on a tank. My 2001 Toyota Camry LE 4cyl automatic once posted a tank of 36.3 MPG. That was over 126.1 miles and I filled up at the same pump. Every other tank has been anywhere from 20.0-28.8 MPG. I've had a few that are 28.4 and one that was 31.85, but mostly I'm averaging 27.

    All this to be said there are far too many variables. I reset the Trip A each time I gas up, set the pump to on until the first click and record whatever I get.
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