The NSX has standard AcuraLink, which uses a global positioning satellite (GPS) receiver and a cellular system to remotely unlock your doors if you lock your keys in, help track down your vehicle if it’s stolen or send emergency personnel to the scene if any airbags deploy. The GT-R doesn’t offer a GPS response system, only a navigation computer with no live response for emergencies, so if you’re involved in an accident and you’re incapacitated help may not come as quickly.
Both the NSX and the GT-R have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, all wheel drive, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras and available rear parking sensors.
The NSX comes with a full 4 year/50,000 mile basic warranty, which covers the entire car and includes 24 hour roadside assistance. The GT-R’s 3 year/36,000 mile basic warranty expires 1 year and 14,000 miles sooner.
Acura’s powertrain warranty covers the NSX 1 year and 10,000 miles longer than Nissan covers the GT-R. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the GT-R ends after only 5 years or 60,000 miles.
J.D. Power and Associates’ 2015 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Acura vehicles are more reliable than Nissan vehicles. J.D. Power ranks Acura 11th in reliability, above the industry average. With 4 more problems per 100 vehicles, Nissan is ranked 12th.
The NSX’s 3.5 turbo V6 hybrid produces 28 more horsepower (573 vs. 545) and 13 lbs.-ft. more torque (476 vs. 463) than the GT-R’s standard 3.8 turbo V6.
On the EPA test cycle the NSX SMG gets better fuel mileage than the GT-R (21 city/22 hwy vs. 16 city/22 hwy).
Regenerative brakes improve the NSX’s fuel efficiency by converting inertia back into energy instead of wasting it. The GT-R doesn’t offer a regenerative braking system.
In heavy traffic or at stoplights the NSX’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) The GT-R doesn’t offer an automatic engine start/stop system.
The NSX has a standard cap-less fueling system. The fuel filler is automatically opened when the fuel nozzle is inserted and automatically closed when it’s removed. This eliminates the need to unscrew and replace the cap and it reduces fuel evaporation, which causes pollution. The GT-R doesn’t offer a cap-less fueling system.
The NSX offers optional heat-treated ceramic brake rotors, which last ten to twenty times as long as conventional cast iron rotors, don’t rust, don’t fade during repeated high speed braking, and their lighter weight contribute to better braking, handling and acceleration. The GT-R doesn’t offer ceramic brake rotors.
For better traction and acceleration, the NSX has larger rear tires than the GT-R (305/30R20 vs. 285/35R20).
The NSX’s 245/35R19 front and 305/30R20 rear tires provide better handling because they have a lower 35 series front and 30 series rear profile (height to width ratio) that provides a stiffer sidewall than the GT-R’s standard 40 series front and 35 series rear tires.
The NSX has a standard easy tire fill system. When inflating the tires, the vehicle’s integrated tire pressure sensors keep track of the pressure as the tires fill and tell the driver when the tires are inflated to the proper pressure. The GT-R doesn’t offer vehicle monitored tire inflation.
For better handling and stability, the track (width between the wheels) on the NSX is 2.6 inches wider in the front and .7 inches wider in the rear than on the GT-R.
The NSX is 7.8 inches shorter than the GT-R, making the NSX easier to handle, maneuver and park in tight spaces.
The NSX has .2 inches more front headroom and 3.3 inches more front shoulder room than the GT-R.
When two different drivers share the NSX, the optional memory seats and mirrors make it convenient for both. Each setting activates different, customized memories for the driver’s seat position and outside mirror angle. The GT-R doesn’t offer a memory system.
While driving with high beams on, sensitive light sensors standard on the NSX detect other vehicles which could be blinded and automatically switch to low beams. The GT-R doesn’t offer automatic dimming high beams.
The NSX’s power mirror controls are mounted on the armrest for easy access. The GT-R’s power mirror controls are on the dash, hidden behind the steering wheel, where they are awkward to manipulate.
When the NSX is put in reverse, both rearview mirrors tilt from their original position. This gives the driver a better view of the curb during parallel parking maneuvers. Shifting out of reverse puts the mirrors into their original positions. The GT-R’s mirrors don’t automatically adjust for backing.
Standard AcuraLink for the NSX allows the driver and passengers access to select programs on their smartphones, including reading text messages aloud, playing internet radio stations and other connected activities without taking their eyes off the road or their hands from the wheel. The GT-R doesn’t offer factory integrated smartphone program access.
The Acura NSX outsold the Nissan GT-R by almost three to one during 2015.