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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 718 Cayman 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 718 Cayman doesn’t offer backup collision prevention brakes.
The Q60 offers all-wheel drive to maximize traction under poor conditions, especially in ice and snow. The 718 Cayman doesn’t offer all-wheel drive.
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 718 Cayman 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 718 Cayman 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 718 Cayman doesn’t offer a cross-path warning system.
Both the Q60 and the 718 Cayman 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 crash mitigating brakes and blind spot warning systems.
The Infiniti Q60 weighs 548 to 1013 pounds more than the Porsche 718 Cayman. The NHTSA advises that heavier cars are much safer in collisions than their significantly lighter counterparts. Crosswinds also affect lighter cars more.
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 718 Cayman’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 718 Cayman. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the 718 Cayman ends after only 4 years or 50,000 miles.
To reliably power the ignition and other systems and to recharge the battery, the Q60 has a standard 150-amp alternator (170-amp - Q60 Red Sport 400). The 718 Cayman’s 120-amp alternator isn’t as powerful.
To reliably start during all conditions and help handle large electrical loads, the Q60 has a standard 600-amp battery. The 718 Cayman’s 340-amp battery isn’t as powerful.
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 20 points higher than the 718 Cayman.
The Q60 has more powerful engines than the 718 Cayman:
Q60 3.0t 3.0 turbo V6
Q60 Red Sport 400 3.0 turbo V6
718 Cayman 2.0 turbo 4-cylinder
718 Cayman S 2.5 turbo 4-cylinder
718 Cayman GT4 4.0 GT3 6-cylinder
The Q60 has 5.8 gallons more fuel capacity than the 718 Cayman’s standard fuel tank (20 vs. 14.2 gallons), for longer range between fill-ups. The Q60 has 3.1 gallons more fuel capacity than the 718 Cayman’s optional fuel tank (20 vs. 16.9 gallons).
All-wheel drive, available in the Q60, provides the best traction for acceleration in wet, dry, and icy conditions. In corners, all-wheel drive allows both outside wheels to provide power, balancing the car. This allows for better handling. The Porsche 718 Cayman is not available with all-wheel drive.
For better traction, the Q60 has larger standard tires than the 718 Cayman (255/40R19 vs. 235/45R18). The Q60 Red Sport 400’s front tires are larger than the largest tires available on the 718 Cayman (255/35R20 vs. 245/35R20).
The Q60’s standard tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the 718 Cayman’s standard 45 series tires.
For better ride, handling and brake cooling the Q60 has standard 19-inch wheels. Smaller 18-inch wheels are standard on the 718 Cayman.
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 718 Cayman doesn’t offer run-flat tires.
For a smoother ride and more stable handling, the Q60’s wheelbase is 14.8 inches longer than on the 718 Cayman (112.2 inches vs. 97.4 inches).
For better handling and stability, the average track (width between the wheels) on the Q60 is 1.2 inches wider in the front and 1.8 inches wider in the rear than the average track on the 718 Cayman.
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 718 Cayman (.3 to .34). 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 718 Cayman doesn’t offer active noise cancellation.
The Q60 has 37.4 cubic feet more passenger volume than the 718 Cayman (85.4 vs. 48).
The Q60 has .9 inches more front legroom and 3.3 inches more front shoulder room than the 718 Cayman.
With its coupe body style, valet key, locking rear seatbacks and remote trunk release lockout, the Q60 offers cargo security. The 718 Cayman’s hatchback body style 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 718 Cayman 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 718 Cayman’s 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 718 Cayman 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 718 Cayman’s cruise control switches are unlit, making them difficult to find at night and operate safely.
The Q60’s standard 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 718 Cayman’s standard manually variable intermittent wipers have to be constantly adjusted.
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 718 Cayman doesn’t offer extendable visors.
The Q60 has a standard dual zone air conditioning allows the driver and front passenger to choose two completely different temperatures so people with different temperature preferences won’t have to compromise. This makes both the driver and front passenger as comfortable as possible. Dual zone air conditioning costs extra on the 718 Cayman.
The Infiniti Q60 outsold the Porsche 718 by 30% during 2019.
© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.
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