New Porsche 911 Carrera 4: Part 3 - the red line heritage

The third instalment of the red lines series immerses you in the heritage of all-wheel drive on the 911, looking at the origins of this system and how it's developed, with a special look at the technological masterpiece of the 959. We also take a look at the continuation of the red light strip as a constant design theme on the 911 models.