auto faster than manual?
#1
auto faster than manual?
Is the automatic probably just as quick as the 6-speed? I remember hearing somewhere that the final drive ratio is now the same regardless of tranny, which is a change in favor of the automatic. The fastest I've seen for the 6-speed is Car and Driver's 5.2 to 60 and 13.9 @ 103 in the quarter. Edmunds, who traditionally has slower numbers than most by a few tenths at least, got 5.6 and 13.9 @ 102 with the AUTOMATIC, and they may well have left it in full auto. Seems that they are at least nearly identical now.
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I think the auto is as fast as the manual, and I drive a 6mt!! As a matter of fact, I've been driving stick for over 13 years now. (Automatic cars in South America are WAY TOO EXPENSIVE!!)
Automatic transmissions have really evolved! They are not like they used to be years ago.
To me, stick shift is a LOT MORE fun to drive. However, I drove an automatic sedan with tiptronic transmission (loaner car) and I though it was as responsive as my 6mt! (Yes, it's less hp (only 280) - but being able to change gears at the desired RPM on an auto is pretty cool, and the car definetely runs better!
Anyway, that's just my input! I might get an auto in the future!!
Automatic transmissions have really evolved! They are not like they used to be years ago.
To me, stick shift is a LOT MORE fun to drive. However, I drove an automatic sedan with tiptronic transmission (loaner car) and I though it was as responsive as my 6mt! (Yes, it's less hp (only 280) - but being able to change gears at the desired RPM on an auto is pretty cool, and the car definetely runs better!
Anyway, that's just my input! I might get an auto in the future!!
#12
Originally Posted by harrisot
The torque converter amplifies torque coming off the line. This helps make up for the lower efficiency.
Could you explain this better? I always thought the torque convertor was less efficient than a manual? Since it is not actually motorized or adding torque/hp to the drivetrain, I would assume the only way to actually increase torque is by slightly varying the drive ratio...giving the transmission a sort of small variable range for each gear, kind of like the effect with clutch slippage. Even if this were the case, drivetrain loss would still be there...
I just don't think an automatic can be as fast as a clutch for several reasons. It might get 99.5% as fast...but I don't think it'll ever be exactly as fast unless it makes up the time through faster shifting.