4th generation coming 2015!

Discussion in 'Gen 4 Prius Main Forum' started by edmcohen, Nov 6, 2012.

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  1. hampdenwireless

    hampdenwireless Active Member

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    With the speculation about two 'battery types' I suspect that one will be an advanced supercap and the other would be a Li-ion battery. The supercap would be used first taking the brunt of cycles (as they wear less from cycling) and also allowing for higher efficiency. When they run out of charge/discharge room the normal hybrid battery would be used.
     
  2. inferno

    inferno Senior Member

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    Could be looked at that way, but I thought that meant they would make two versions, one old school NiMH and other Li-iON I could be wrong though! There probably won't be an announcement until at least mid next year
     
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  3. cycledrum

    cycledrum PSOCSOASP

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  4. bisco

    bisco cookie crumbler

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    i like it! does it look like a focus? probably the sportiest corolla to date, what's my granny gonna drive?
     
  5. cycledrum

    cycledrum PSOCSOASP

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    C&D doesn't give new Corolla the Mazda3 fun to drive approval, just very user friendly and practical, so granny will be just fine. Just keep her out of the S model.
     
  6. Sergiospl

    Sergiospl Senior Member

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    Next-gen Toyota Prius aiming for 55 mpg, could arrive in 2015
    [​IMG]
    http://pressroom.toyota.com/releases/2013 toyota global hybrid rollout.htm?view_id=42205
     
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  7. inferno

    inferno Senior Member

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  8. Sergiospl

    Sergiospl Senior Member

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    Means that you will do even better if you start with 55 mpg, I read it as combined mpg.
     
  9. markabele

    markabele owner of PiP, then Leaf, then Model 3

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    Hopefully. Unless the new system isn't as user friendly (to hypermilers) or has more of the hypermiling techniques "baked in"
     
  10. Fluxuated

    Fluxuated Member

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    I work in the plant where they are made, and I'm already sick of looking at them ;)

    General consensus is it looks like a Hyundai from the front and a Honda Civic from the back.
     
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  11. Tideland Prius

    Tideland Prius Moderator of the North
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    Yes it was available for the 2012 MY. (I'm guessing the taxis are sticking with the base or Luxury package. I've only seen one Touring package taxi so they'll probably appreciate the lower cost).

    8 years seems reasonable. Our 2005 Prius will be 9 years old this October and it passed 200,000km in July. It is on its 3rd set of tyres and its 2nd 12V battery. It's still on its original brake pads with 50% life left (Lower Mainland driving), original hybrid battery and original 7" MFD (which has had some issues in certain 2004 and 2005 vehicles).

    You won't miss the foglights. They're ok but not the greatest to be honest. I install fogs on my 2010 mostly for aesthetic reasons (2010 and 2011 models have an ugly grey plastic blank where the fogs go. On the 2012+ and the 2012 Prius v, models without fogs have a different lower grille so it's not obvious that you're missing fogs).

    Don't forget all the storage features too (underfloor cargo bins, "umbrella holder" behind the rear seats, sliding cupholder/tray in the front at the bottom of the centre console, an MP3/phone holder by the 12V outlet as well as the dual gloveboxes).
     
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  12. Ryephile

    Ryephile The Technophile

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    Something to consider: Toyota's press release today is saying the ICE thermal efficiency will improve from a current 38.5% to over 40%. This is a 4% reduction in turning gasoline into waste-heat. This means less fuel for a given power to the wheels. Roughly calculating and assuming the engine doesn't have any more frictional loss than the current ICE, it'll mean about 52 MPG combined without accounting for any changes to the electric side of the powertrain or all the other chassis, tire, and aero improvements that culminate in the finished product.
     
  13. hampdenwireless

    hampdenwireless Active Member

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    55 mpg is probable if they get 4% out of the ice alone. Getting 2% out of the electronics/battery side along with some weight reductions would get them there. From that press release it implies weight reduction in the motors and we know the battery side will come down as well. This is all before doing anything expensive such as carbon fiber or more aluminum.

    I am still hoping on supercaps on the electronics side. The charging losses are much lower on supercaps.
     
  14. usbseawolf2000

    usbseawolf2000 HSD PhD

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  15. Sergiospl

    Sergiospl Senior Member

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    Maybe Valvematic, direct injection, ...
     
  16. cycledrum

    cycledrum PSOCSOASP

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    I like the comment about lower center of gravity, better ride and handling. I can feel a distinct difference in Camry handling (SE for ie) and Prius. Camry feels Much more planted to the ground.

    The slide that mention 'lighter weight, more compact, etc....' .... I sure hope they are talking about the drivetrain, not the body. The body should not shrink one iota, just be sleeker.
     
  17. JMD

    JMD 2012 Prius 4 Solar Roof

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  18. Bman83

    Bman83 Junior Member

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    Tideland, how much is it to replace that 12v Battery?
     
  19. cmth

    cmth Active Member

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    If a 4% improvement in thermal efficiency of the ICE only translates to 2 mpg gain, one wonders why Toyota is obsessively focused on thermal efficiency alone of the gasoline engine.

    Other manufacturers have managed to improve mpg by other engine technologies whilst also improving power/weigh ratios as well so there should be a good reason why Toyota is so focused on this particular "transfer function" so to speak - I just can't get it.

    And related to this, why don't other manufacturers publish anything about their thermal efficiency - we all know some non-hybrids of today come close to 50mpg so wouldn't that mean some of them engines could even be more thermally efficient than the Gen3 Toyota hybrid ICE.
     
  20. cmth

    cmth Active Member

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    Actually, I am a bit dissapointed that there was no mention of the NS4.

    You know what would be the greatest suprise of all... if the NS4 turns out to be PG4 (Prius Gen4)
     
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