The GT-R has standard head airbag curtains that act as a forgiving barrier between the driver and front passenger's upper bodies and the window and pillars. Combined with high-strength steel door beams and lower side airbags this system increases head protection in broadside collisions. The 675LT doesn't offer side airbag protection for the head.
The GT-R has all-wheel drive to maximize traction under poor conditions, especially in ice and snow. The 675LT doesn’t offer all-wheel drive.
Both the GT-R and the 675LT have standard driver and passenger frontal airbags, front side-impact airbags, four-wheel antilock brakes, traction control and rearview cameras.
The Nissan GT-R weighs 1002 pounds more than the McLaren 675LT. The NHTSA advises that heavier cars are much safer in collisions than their significantly lighter counterparts. Crosswinds also affect lighter cars more.
Nissan’s powertrain warranty covers the GT-R 2 years longer than McLaren covers the 675LT. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 5 years or 60,000 miles. Coverage on the 675LT ends after only 3 years.
There are over 49 times as many Nissan dealers as there are McLaren dealers, which makes it much easier should you ever need service under the GT-R’s warranty.
The 675LT’s redline is at 8500 RPM, which causes more engine wear, and a greater chance of a catastrophic engine failure. The GT-R has a 7100 RPM redline.
As tested in Motor Trend the GT-R Premium is faster than the McLaren 675LT:
Zero to 60 MPH
For better traction, the GT-R has larger front tires than the 675LT (255/40R20 vs. 235/35R19).
For better ride, handling and brake cooling the GT-R has standard 20-inch wheels. Only 19-inch front wheels are available on the 675LT.
Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires standard on the GT-R can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The 675LT doesn’t offer run-flat tires.
For a smoother ride and more stable handling, the GT-R’s wheelbase is 4.3 inches longer than on the 675LT (109.4 inches vs. 105.1 inches).
The GT-R’s front to rear weight distribution is more even (54.6% to 45.3%) than the 675LT’s (42.5% to 57.5%). This gives the GT-R more stable handling and braking.
To almost totally eliminate engine vibration in the passenger area, the GT-R has a liquid-filled front engine mount. The liquid helps further dampen engine harshness. The 675LT uses conventional solid rubber engine mounts.
The GT-R uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The 675LT doesn’t offer active noise cancellation.
The GT-R’s instruments include an oil pressure gauge and a temperature gauge – which could save your engine! Often ‘idiot lights’ don’t warn you until damage has been done. The 675LT does not have an oil pressure gauge.
The GT-R’s standard power windows have a locking feature to keep children from operating them. McLaren does not offer a locking feature on the 675LT’s power windows.
The GT-R’s speed-sensitive wipers speed up when the vehicle does, so that the driver doesn’t have to continually adjust the speed of the wipers. The 675LT’s
To help keep the driver’s hands on the wheel, the GT-R has standard steering wheel controls for the radio. The 675LT doesn’t offer steering wheel audio controls.
Standard smartphone integration for the GT-R allows the driver and passengers access to select programs on their smartphones so they can stay connected without taking their eyes off the road or their hands from the wheel. The 675LT doesn’t offer factory integrated smartphone program access.
To direct the driver from any location to a given street address, a GPS navigation system is standard on the GT-R. The GT-R’s navigation system also has a real-time traffic update feature that offers alternative routes to automatically bypass traffic problems. (Service not available in all areas.) The 675LT doesn’t offer a navigation system.