2012 Porsche 911: seven-speed manual transmission & auto start/stop

Here’s two new videos from Porsche, detailing the 7-Speed Manual transmission and auto start/stop function on its new 911 model. Thanks to technology such as auto start/stop, the 991’s fuel consumption and emission levels are up to 16% lower than its predecessor, while another major factor is the car’s 7-speed manual transmission – in conjunction with PDK (Porsche-Doppelkupplungsgetriebe). Featuring a ‘coasting’ function that decouples connection to the engine while the throttle is closed, fuel efficiency is further enhanced. For example, the PDK-equipped 911 Carrera can return 34.4mpg – a 6 mpg improvement over the outgoing model.

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