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Toyota’s new Prius model to get record 40 km per liter

Discussion in 'Gen 4 Prius Main Forum' started by Tideland Prius, Jan 20, 2015.

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  1. Tideland Prius

    Tideland Prius Moderator of the North
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    Obviously we can't just use 40km/L (94mpg US) so if we do simple maths...

    40km/L = 2.5L/100km
    32.6km/L = 3.0L/100km.
    1/[2.5/3.0] = 1.227x improvement
    50mpg combined x 1.2 = 61mpg.

    Just strictly using the incremental improvement, that's how I inferred the mpg equivalent. Does that sound like a reasonable guess? Or have I simplified the math too much?
     
    #1 Tideland Prius, Jan 20, 2015
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  2. jw_teacher

    jw_teacher Junior Member

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    It sounds reasonable. With the competition closing the gap, Toyota desperately needed to boost the Prius' MPG by a good margin anyway. I would be thrilled if the new Prius got 61 MPG.
     
    #2 jw_teacher, Jan 20, 2015
  3. ETC(SS)

    ETC(SS) The OTHER One Percenter.....

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    *Sigh!*
    I just wish they could get the styling right....



    [​IMG][​IMG]
     
    #3 ETC(SS), Jan 20, 2015
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  4. walter592

    walter592 Junior Member

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    I think the current model prius is rated at 36km/L in Japan...
     
    #4 walter592, Jan 20, 2015
  5. Mendel Leisk

    Mendel Leisk EGR Fanatic

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    So 10% improvement. Still good...
     
    #5 Mendel Leisk, Jan 20, 2015
  6. Easy Rider 2

    Easy Rider 2 Senior Member

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    Why do you think that a simple conversion is NOT sufficient ??
    I don't understand what your math is really trying to accomplish.
    Certainly not obvioius to me.
     
    #6 Easy Rider 2, Jan 20, 2015
  7. fotomoto

    fotomoto Senior Member

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    Mileage quotes out of Japan are typically based on their test cycle which is wildly optimistic. The current Prius is rated like 72mpg or somesuch on it so, I think, Tideland is trying to factor that into a US figure.
     
    #7 fotomoto, Jan 20, 2015
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  8. Easy Rider 2

    Easy Rider 2 Senior Member

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    Check. Thank you.
     
    #8 Easy Rider 2, Jan 20, 2015
  9. usbseawolf2000

    usbseawolf2000 HSD PhD

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    Math like that doesn't work with US cycle.

    Prius c (Aqua) was rated 37km/l there yet 50 MPG here.

    We'll have to see how well it does in more aggressive cycle and higher speed.
     
    #9 usbseawolf2000, Jan 20, 2015
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  10. bisco

    bisco cookie crumbler

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    sounds like good news...
     
    #10 bisco, Jan 20, 2015
  11. JimN

    JimN Let the games begin!

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    The Gen3's rating is ~10% higher than the revised Gen2 rating. Still haven't seen it. Another 10% increase would put the Gen4 at 55mpg.
     
    #11 JimN, Jan 20, 2015
  12. Jeff N

    Jeff N The answer is 0042

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    The Aqua is rated as 35.4km/L or 83 mpg but gets 50 here. If you scale that against the reported 40km/L or 94 mpg it works out to 57 mpg.

    If you scale the Liftback JC08 vs EPA and scale the new 94 mph result it is 61 mpg.

    I'm amazed if this result is actually confirmed. It would be just a fraction better than a 20% improvement over already excellent numbers.

    I'm a little skeptical at this point. It seems too good to be true.
     
    #12 Jeff N, Jan 20, 2015
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  13. Tideland Prius

    Tideland Prius Moderator of the North
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    @Jeff N, even at 57, that's better than the "10% improvement" reports.
     
    #13 Tideland Prius, Jan 20, 2015
  14. Jeff N

    Jeff N The answer is 0042

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    Or maybe this newspaper report is confused and the new 94 mpg number is based on the old Japanese 10-15 test on which the old Liftback gets about 38/L or 89 mpg. That would be a 5-6% improvement.
     
    #14 Jeff N, Jan 21, 2015
  15. iplug

    iplug Senior Member

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    from the article: "resin materials used as much as possible to downsize and lighten the weight of the fuel cell"

    Fuel cell??? Guessing that is a translation mistake, but not sure what was meant. Any ideas?
     
    #15 iplug, Jan 21, 2015
  16. GregP507

    GregP507 Senior Member

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    I think this is the road to the winning strategy. Taking a technological lead is what made the Prius the most successful hybrid on the market.
     
    #16 GregP507, Jan 21, 2015
  17. neez

    neez Member

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    I'll take the same fuel economy it gets now, as long as they add AWD. That's what i want here in the states because there are no other competitors with great fuel economy and AWD here in the U.S. The only diesel awd's are all suv's, and none of the diesels VW offers have awd.
     
    #17 neez, Jan 21, 2015
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  18. inferno

    inferno Senior Member

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    I read the line market it in the fall.

    Ok...so the reveal we be before then right? Usually a marketing strategy in the fall will involve sales then or right after. IE - why would you market something you can't by?
     
    #18 inferno, Jan 21, 2015
  19. Tideland Prius

    Tideland Prius Moderator of the North
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    Good point. It also says the Prius weighs 1,600kg. It doesn't.

    Something's fishy.
     
    #19 Tideland Prius, Jan 21, 2015
  20. bisco

    bisco cookie crumbler

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    sniff :unsure:
     
    #20 bisco, Jan 21, 2015
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