Porsche 718 Cayman GT4: Full Review

The Cayman GT4 was one of the most well-respected sports cars in the world. Now Porsche has the 718 Cayman GT4 with a 4-liter flat-six, manual transmission, and one of the best chassis in the business. We took the all-new GT4 to Road America to see if it is still one of the most rewarding cars available today.