Find out what happened when we set an MPG Challenge with 50 people (none of them existing Porsche owners) and a Porsche Panamera. With 24 hours each, the challenge was set to achieve the lowest miles per gallon, so watch our clip to see the experiences and reactions to the powerful yet remarkably economic Porsche Panamera*. *Combined fuel consumption in accordance with EU 5: 12.5 - 6.3l/100km, CO2 emission: 293-159 g/km Learn more: http://www.porsche.com/international/...