1974 was a very special year. The launch of the first 911 Turbo and another successful idea: the Porsche Sport Driving School. Take a look back at 40 years of improving driving performance and safety, lap by lap. Learn more: Combined fuel consumption in accordance with EU 5: 911 models: 12. 4 8. 2 l, 100km; CO2 emission: 289 191 g, km