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3 Weeks later with the New 2016 Prius. MPG

Discussion in 'Gen 4 Prius Fuel Economy' started by Mark A. Cooper, Feb 23, 2016.

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  1. krmcg

    krmcg Lowered Blizzard Pearl Beauty

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    Probably weight distribution reasons
     
    #81 krmcg, Jan 13, 2017
    Last edited: Jan 13, 2017
  2. GaryD1

    GaryD1 Active Member

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    I just got 10k service, dealer set all tire at 42 lbs nitrogen, said with the cold front that come last week the pressure would drop and stabilize to about what they should be. I usually gauge tires about like this anyhow.
     
    #82 GaryD1, Jan 13, 2017
  3. Tideland Prius

    Tideland Prius Moderator of the North
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    With the Gen 2 and Gen 3, weight distribution was front heavy.

    (Front/rear %)
    Gen 2: 58/42
    Gen 3: 61/39

    In comparison to Gen 4,

    Gen 4: 56/44
    Prime: 53/47

    So the higher front weight bias meant that the front tires should have a slightly higher tire pressure to cope with the extra weight.

    Besides, even a more balanced car may see slight benefit with a higher front tire pressure but it probably won't be measurable unless you're on a track. It could improve steering feel but most people probably won't notice.

    Sources:

    Gen 2 weight distribution / suspension / brake test | PriusChat

    Weight distribution front and back | PriusChat
     
    #83 Tideland Prius, Jan 13, 2017
    kittyo9 likes this.
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