10-25-2020, 02:05 PM | #1 |
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Different 0-60s M340i xDrive vs M440i xDrive?
BMWUSA.com lists different 0-60 times for the M340i xDrive vs the M440i xDrive
4.1 seconds vs 4.3 seconds Does anyone know why? I thought they weighed about the same?
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10-25-2020, 03:23 PM | #2 |
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According to CarBuzz, the 4 is only 9 pounds heavier (curb weight). The drivetrain should be pretty much identical. Not sure where those two tenths went.
Side note: the 4 is slightly bigger, but same wheelbase. Same tires, though. Too skinny.
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10-25-2020, 05:55 PM | #3 |
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Also those times are not accurate for the 2021 they are doing 3.8 secs in in dry conditions and 4-4.1 secs in wet conditions. The assumption is that they lied because the M3/4 are rear drive are rated at 3.9... I'm assuming the AWD versions will do low 3 secs I'm guessing 3.2 secs
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10-25-2020, 06:24 PM | #4 | |
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10-25-2020, 08:03 PM | #6 | |
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10-26-2020, 12:07 PM | #8 |
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Bmw Z4 M40i 0-60 3.8 Car&Driver tested stock. Also have a tune on mine and i toast those fat muscle cars all day long. My tune is mild and i'm pushing 450hp and i agree with the statement that you can only do so much with RWD but i would say 3.5 0-60 in my case. The Dodge whatever with all that HP goes nowhere. To fat, to much weight in the front to little in rear. Yes hellcat is the exception with that ridiculous HP.
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10-26-2020, 01:25 PM | #9 |
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mattwatson at carwow timed the m440i xdrive at 3.8s 0-60, faster than the G82 M4 mfg time.... i don't think the mfg numbers should be paid much attention to.
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10-26-2020, 08:27 PM | #10 | |
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I'm still curious, as no one has really seemed to answer the question yet. We all know BMW 0-60 times are conservative, but why a .2 second discrepancy??? I for one feel that .2 seconds is enough of a difference to raise the question, given the cars have identical powertrains, and weigh almost exactly the same... Has anyone compared gear ratios between the two??? |
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10-26-2020, 08:33 PM | #11 | |
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https://www.thecarconnection.com/spe..._3-series_2021 https://www.thecarconnection.com/spe..._4-series_2021
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10-26-2020, 08:35 PM | #12 | |
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I just checked on BMW's website as well, and they are identical. The plot thickens.... |
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10-26-2020, 08:38 PM | #13 |
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I don't think the slightly different wheelbase, width, or weight distribution would make much of a difference... Something must be wrong here.
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