- You are here:
- Auto News >
- TransmissionImprovements
TransmissionImprovements
-
0Next-gen GM six-speed automatic to boost mileage another 5 percent 1250283540
It's only been a year since General Motors launched its 6T40 six-speed automatic transmission for mid-size and compact cars. When it was introduced, this new transmission brought with it a five percent bump in fuel efficiency. The engineers at GM Powertrain are now developing a second generation ...
Loading


