Porsche Panamera S E-Hybrid PHEV averages 4.4 l/100 km (53.4 mpg US) during test drives
Green Car Congress
MAY 24, 2013
Essentially, the system “reserves” the battery’s available energy capacity for later electric driving phases by switching to Hybrid mode and engaging the six-cylinder engine earlier. This energy is stored in the traction battery so that it will be available for later zero-emissions driving. Cayenne and Panamera S.
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