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The Q60 Red Sport 400’s optional pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The 911 doesn’t offer pre-crash pretensioners.
Over 200 people are killed each year when backed over by motor vehicles. The Q60 (except Pure) offers optional Back-up Collision Intervention that uses rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The 911 doesn’t offer backup collision prevention brakes.
The Q60 Red Sport 400’s optional lane departure warning system alerts a temporarily inattentive driver when the vehicle begins to leave its lane and gently nudges the vehicle back towards its lane. The 911 doesn’t offer a lane departure warning system.
The Q60 (except Pure) offers an optional Around View® Monitor to allow the driver to see objects all around the vehicle on a screen. The 911 only offers a rear monitor and front and rear parking sensors that beep or flash a light. That doesn’t help with obstacles to the sides.
To help make backing safer, the Q60 (except Pure)’s optional cross-path warning system uses wide-angle radar in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. The 911 doesn’t offer a cross-path warning system.
Both the Q60 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, rearview cameras, available all wheel drive, crash mitigating brakes and blind spot warning systems.
The Q60 comes with a full 4-year/60,000-mile basic warranty, which covers the entire car and includes 24-hour roadside assistance. The 911’s 4-year/50,000-mile basic warranty expires 10,000 miles sooner.
Infiniti’s powertrain warranty covers the Q60 2 years and 20,000 miles longer than Porsche covers the 911. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the 911 ends after only 4 years or 50,000 miles.
There are over 12 percent more Infiniti dealers than there are Porsche dealers, which makes it easier should you ever need service under the Q60’s warranty.
A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without a vehicle while it’s being repaired. Consumer Reports rates the Q60’s reliability 43 points higher than the 911.
From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Infiniti vehicles are more reliable than Porsche vehicles. Consumer Reports ranks Infiniti 5 places higher in reliability than Porsche.
The Q60 has 3.1 gallons more fuel capacity than the 911 RWD’s standard fuel tank (20 vs. 16.9 gallons), for longer range between fill-ups.
In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Infiniti Q60 higher (3 out of 10) than the Porsche 911 (1). This means the Q60 produces up to 22.5 pounds less smog-producing pollutants than the 911 every 15,000 miles.
For better traction, the Q60 has larger standard tires than the 911 (255/40R19 vs. 235/40R19).
Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires available on the Q60 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.
For a smoother ride and more stable handling, the Q60’s wheelbase is 15.7 inches longer than on the 911 (112.2 inches vs. 96.5 inches).
The Q60’s front to rear weight distribution is more even (55% to 45%) than the 911’s (40.1% to 59.9%). This gives the Q60 more stable handling and braking.
To almost totally eliminate engine vibration in the passenger area, the Q60 has liquid-filled engine mounts. The liquid helps further dampen engine harshness. The 911 uses conventional solid rubber engine mounts.
The design of the Infiniti Q60 amounts to more than styling. The Q60 has an aerodynamic coefficient of drag of .28 Cd. That is lower than the 911 (.29 to .32). A more efficient exterior helps the Q60 go faster and keeps the interior quieter. It also helps the Q60 get better fuel mileage.
The Q60 Luxe/Sport/Red Sport 400 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.
Because it has more passenger and cargo room, the EPA rates the Q60 a Subcompact car, while the 911 Coupe is rated a Minicompact.
The Q60 has 15.4 cubic feet more passenger volume than the 911 Coupe (85.4 vs. 70).
The Q60 has 3.8 inches more front shoulder room, 3.5 inches more rear headroom, 7.4 inches more rear legroom and 3.7 inches more rear shoulder room than the 911 Coupe.
The Q60 has a much larger trunk than the 911 Coupe with its rear seat up (8.7 vs. 5.1 cubic feet).
With its coupe body style, valet key, locking rear seatbacks and remote trunk release lockout, the Q60 offers cargo security. The 911’s non-lockable folding seat and non-lockable remote release defeat cargo security.
The Q60 (except Pure) offers a remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The 911 doesn’t offer a remote starting system.
The Q60’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.
If the windows are left open on the Q60 the driver can close them all at the outside door handle. On a hot day the driver can lower the windows at the outside door handle or from a distance using the keyless remote. The driver of the 911 can only operate the windows from inside the vehicle, with the ignition on.
The Q60’s power window, power lock, power mirror and cruise control switches are lit from behind, making them plainly visible and easier to operate at night. The 911’s cruise control switches are unlit, making them difficult to find at night and operate safely.
To shield the driver’s vision over a larger portion of the windshield and side window, the Q60 has a standard extendable sun visor. The 911 doesn’t offer extendable visors.
For greater rear passenger comfort, the Q60 has standard rear heat vents to keep rear occupants more comfortable. The 911 doesn’t offer rear vents.
© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.
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