A look that always rolls with the times. The new 911 Targa - the definition of a #TimelessMachine __ 911 Targa 4: Fuel consumption combined: 9,8 l/100 km; CO2 emissions: 223 g/km. 911 Targa 4S: Fuel consumption combined: 10,3 - 9,9 l/100 km; CO2 emissions: 235 - 227 g/km.