New Porsche 911 (Porsche 991) chases with Porsche Cayman R6

• Porsche video
• New Porsche 911 (Porsche 991)

Rolex Grand-Am GT Champion Leh Keen, in a Porsche Cayman R6, chases Porsche works driver Patrick Long around Mazda Raceway, Laguna Seca, to film the new Porsche 911 Carrera S (Porsche 991) in action.