A shared trip is a better trip. But what happens if your car sharing driver unexpectedly turns out to be Porsche Works Driver and FIA WEC champion Romain Dumas in the new Panamera Turbo? See the reactions in this video. Combined fuel consumption in accordance with EU 6: Panamera Turbo: 9.4 – 9.3 l/100 km, CO2 emissions: 214 – 212 g/km;