Even as Nissan prepares its 2016 facelift for the GT-R, the latest and greatest of the model is just hitting American roads. The 2015 GT-R Nismo is the fastest factory version of the car and also the most expensive. But is it worth the extra cash? If you ask Ignition's Carlos Lago and pro driver Randy Pobst, there is absolutely no doubt. Taking the 600-horsepower Nismo out on the streets of Willow track where it runs some hot laps, they come back with an unequivocal answer: the 2015 GT-R Nismo "is the best GT-R yet."

Check out the review to see just how fast it is: