How come we can’t just add X amount of gears to a transmission and have one of the most efficient cars ever?
In: 95
Going from a 3 to 4 speed made a big difference. Going from 4 to 5 was a small improvement. Eah time you add a gear the percentage of improvement gets small. A 20speed in only slightly better than a 10speed with a lot more cost and complexity. My guess is manuals will probably stay in the 5-7speed range and autos/DCTs will max out in the 10-12 range.
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