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Do we really need a 10 speed transmission?

By FaezClutchless on 05 Oct 2011

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Even though most automakers today have included 7 speed transmission (while some have 8 speed transmission) into their cars, most of the people I know drive a car that, at the most, comes with a 6 speed transmission.

Recently, Hyundai Motors might suggest that they are moving towards the double digit 10-speed transmission as soon as the year 2014. Hyundai’s luxury models, the Genesis and Equus (both not available locally) recently receive an 8 speed transmission upgrade. But it looks like Hyundai Motors is not content to just stop at eight.

According to Hyundai Motor Group president Park Seong Hyon, the transmission will likely be used in the above mentioned sedans, which both mark the best the company has to offer.

If this plan comes true, we will see something that was previously unimaginable in the automotive industry.

Now, come to some questions that have been on my mind ever since I heard about this report.

- Will a 10 speed transmission be useful in an urban environment?
- Will all the 10 gears be used in urban roads?
- What will happen to the unused gears if they are not used for a considerable long period of time? Will they be spoiled if this happens?

Most of us reside in an urban setting where areas are overly populated which results in road congestion and at times even during non-peak hours. As someone who drives, I really hate traffic jams. Sitting for too long in a semi-bucket seat (it is the stock seat if anyone’s asking) can give you back aches. And at times, the drive, stop and drive motion gives me the headaches.

A 10 speed transmission car would not be useful on Singapore roads, where the speed limit is pretty low and traffic is heavy most of the time. At the moment, I can only think of one place setting that a 10 speed transmission car could benefit from; a long open highway, something like the Autobahn in Germany.

I do not know much about vehicle transmissions and maybe someone out there can provide me with constructive answers to my questions above.

new technology, korea and 8 more...

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Written by FaezClutchless
Some say that his blood is actually RON98 petrol and some say that his right foot weighs over 20kg. But all that we know about Faez is that he loves to drive and is a JDM enthusiast.

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Mustank Oct 05 2011 12:38 PM
diesel engine have high torque but limited by low rpm. They can benefit from such gear box. Just need to be sturdy though
Mecontle Oct 05 2011 04:36 PM
why not 100sp? is there a trade off ?
GrandCruiser Oct 05 2011 06:14 PM
Doesn't matter anyway since the Genesis gems won't be available here at all (you heard it, the COE woes)
Caravan Oct 05 2011 07:49 PM
10 or more is ok, as long as you don't have to manually shift it.
ER-3682 Oct 05 2011 11:03 PM
Modern gearbox upshift very fast to save fuel,my Z 7 speeds auto can upshift to 7th gear in just 75 km/h....
Liuz0004 Oct 06 2011 06:08 AM
its easy if u tink of it as a mountain bike with 18 speeds. most of the time, u skip gears like 2,3,4,5 - 7,8,9,10,11 - 13,14,15,16,17

so if u enough leg power, its something like from gear 1, u change to gear 6 and then gear 18. the remaining gears are totally redundant
Osokg36 Nov 29 2011 03:41 PM
For the 51% of people that live in the city vs 49% that don't it seems to be that you do need ten gears. Ten gears would only go to fuel efficiency not speed. In a manual transmission the final gear is almost always 1:1 Automatic is around 0.75:1. The plethora of gears prevents the "city dwelling bumper riders" from burning to much fuel. As for the 49% that live along the "long open highway" they concentrate more on how they drive then what they drive, its far more effective.
As far as the Autobahn goes, a car with a 5.9L NASCAR engine will perform nearly the same with a 4 speed as a 6.
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