Toyota and powertrain specialist Aisin are reportedly working on automatic transmissions with “more than seven” speeds. The current automatic leader in terms of the greatest number of gear ratios is Mercedes, with its 7G-tronic seven-speed transmission. When it comes to manual transmissions, the leader is BMW, with its seven-speed sequential-manual transmission. Toyota is “looking at automatics with more speeds, especially for the premium market,” Kazuhiko Miyadera, R&D executive vice president at Toyota Motor Engineering and Manufacturing Europe said in an interview. “Mercedes and ZF both have seven speeds already,” testing engineer Bertram Kurz said. “So there would be little point in us only doing that.”
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