2020 Nissan GT-R vs. 2020 Porsche 911

Detailed Review, Specifications & Comparison

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Safety

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To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the GT-R. But it costs extra on the 911.

Both the GT-R and the 911 have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights and rearview cameras.

Warranty

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Nissan’s powertrain warranty covers the GT-R 1 year and 10,000 miles longer than Porsche covers the 911. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 5 years or 60,000 miles. Coverage on the 911 ends after only 4 years or 50,000 miles.

There are almost 6 times as many Nissan dealers as there are Porsche dealers, which makes it much easier should you ever need service under the GT-R’s warranty.

Reliability

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J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Nissan vehicles are better in initial quality than Porsche vehicles. J.D. Power ranks Nissan 7th in initial quality, above the industry average. With 10 more problems per 100 vehicles, Porsche is ranked 15th, below the industry average.

Engine

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The GT-R’s standard 3.8 turbo V6 produces 186 more horsepower (565 vs. 379) and 136 lbs.-ft. more torque (467 vs. 331) than the 911’s standard 3.0 turbo 6-cylinder. The GT-R’s 3.8 turbo V6 produces 122 more horsepower (565 vs. 443) and 77 lbs.-ft. more torque (467 vs. 390) than the 911 S’ standard 3.0 turbo 6-cylinder. The GT-R Track Edition/NIMSO’s standard 3.8 turbo V6 produces 157 more horsepower (600 vs. 443) and 91 lbs.-ft. more torque (481 vs. 390) than the 911 S’ standard 3.0 turbo 6-cylinder.

As tested in Motor Trend the Nissan GT-R (base engine) is faster than the 911 S (automatics tested):

GT-R

911

Zero to 60 MPH

2.9 sec

3 sec

Fuel Economy and Range

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The GT-R has 2.6 gallons more fuel capacity than the 911’s standard fuel tank (19.5 vs. 16.9 gallons), for longer range between fill-ups. The GT-R has 1.9 gallons more fuel capacity than the 911 AWD’s standard fuel tank (19.5 vs. 17.6 gallons).

Transmission

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The Nissan GT-R comes standard with an automatic transmission, for driver comfort, especially in the city. Automatic costs extra on the 911.

Brakes and Stopping

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For better stopping power the GT-R’s brake rotors are larger than those on the 911:

GT-R

GT-R

911

911

Front Rotors

15.35 inches

16.14 inches

13 inches

16.1 inches

Rear Rotors

15 inches

15.35 inches

13 inches

15.4 inches

Tires and Wheels

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For better traction, the GT-R has larger front tires than the 911 (255/40R20 vs. 235/40R19). The GT-R’s front tires are larger than the largest tires available on the 911 (255/40R20 vs. 245/35R20).

For better ride, handling and brake cooling the GT-R has standard 20-inch wheels. Smaller 19-inch front wheels are standard on the 911.

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 911 doesn’t offer run-flat tires.

Suspension and Handling

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For a smoother ride and more stable handling, the GT-R’s wheelbase is 12.9 inches longer than on the 911 (109.4 inches vs. 96.5 inches).

For better handling and stability, the average track (width between the wheels) on the GT-R is .2 inches wider in the front and 1.8 inches wider in the rear than the average track on the 911.

The GT-R’s front to rear weight distribution is more even (54.7% to 45.3%) than the 911’s (36.4% to 63.6%). This gives the GT-R more stable handling and braking.

Chassis

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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 911 uses conventional solid rubber engine mounts.

The design of the Nissan GT-R amounts to more than styling. The GT-R has an aerodynamic coefficient of drag of .26 Cd. That is significantly lower than the 911 (.31). A more efficient exterior helps the GT-R go faster and keeps the interior quieter. It also helps the GT-R get better fuel mileage.

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 911 doesn’t offer active noise cancellation.

Passenger Space

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Because it has more passenger and cargo room, the EPA rates the GT-R a Subcompact car, while the 911 Coupe is rated a Minicompact.

The GT-R has 6 cubic feet more passenger volume than the 911 (79 vs. 73).

The GT-R has .2 inches more front headroom, 2.4 inches more front legroom, 1.7 inches more front shoulder room, 1 inch more rear headroom and 2.1 inches more rear shoulder room than the 911.

Cargo Capacity

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The GT-R has a much larger trunk than the 911 Coupe with its rear seat up (8.8 vs. 4.6 cubic feet).

With its coupe body style, valet key and remote trunk release lockout, the GT-R offers cargo security. The 911’s non-lockable folding seat defeats cargo security.

Ergonomics

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The GT-R’s standard power windows have a locking feature to keep children from operating them. Porsche does not offer a locking feature on the 911’s standard power windows.

Recommendations

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/04/08

Road and Track performed a comparison test in its December 2019 issue and they ranked the Nissan GT-R NISMO eight places higher than the Porsche 911 S Coupe.

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