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Porsche to Use Start-Stop System in New Panamera

Porsche will use a new automatic start-stop system in the Panamera—the first application of a start-stop system in a premium car with an automatic transmission. The new four-seater represents Porsche’s fourth model series.

Porsche described a number of other new technologies for the Panamera prior to its introduction in Shanghai, including air suspension with additional air volume on demand, and active aerodynamics with a multi-stage, adjustable rear spoiler moving up when required on the Panamera Turbo. Porsche is planning a full-hybrid version of the Panamera in the future. (Earlier post.)

The Panamera will come exclusively with gasoline direct injection engines. The consistent optimization of friction on these engines is further enhanced by innovations such as map-controlled coolant/temperature management, as well as ancillary units with enhanced efficiency.

Porsche is offering a double-clutch gearbox—the PDK (Porsche-Doppelkupplungsgetriebe)—for the first time in this market segment, contributing both to enhanced fuel economy and to a higher level of sporting performance. The PDK features a long, overdrive-like top gear for additional fuel savings.

In conjunction with other specific improvements enhancing the efficiency of the overall vehicle, including low rolling resistance tires and disc brakes with residual brake forces likewise reduced to a minimum, the Panamera S with PDK and start-stop system has fuel consumption rated at 10.8 L/100km (22 mpg US) in the New European Driving Cycle.

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