2019 Porsche 911 vs. 2019 Infiniti Q60

Detailed Review, Specifications & Comparison

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Safety

The 911 has a standard automatic post-collision braking system, which automatically applies the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The Q60 doesn’t offer a post collision braking system: in the event of a collision that triggers the airbags, more collisions are possible without the protection of airbags that may have already deployed.

Both the 911 and the Q60 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.

Warranty

The 911’s corrosion warranty is 5 years longer than the Q60’s (12 vs. 7 years).

Reliability

To reliably power the ignition and other systems and to recharge the battery, the 911 has a standard 204-amp alternator (245-amp - 911 S and 175 Turbo). The Q60’s standard 150-amp alternator and largest (Red Sport 400) 170-amp alternator aren’t as powerful.

J.D. Power and Associates’ 2018 Initial Quality Study of new car owners surveyed provide the statistics that show that Porsche vehicles are better in initial quality than Infiniti vehicles. J.D. Power ranks Porsche fourth in initial quality, above the industry average. With 13 more problems per 100 vehicles, Infiniti is ranked 14th.

J.D. Power and Associates’ 2018 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Porsche vehicles are more reliable than Infiniti vehicles. J.D. Power ranks Porsche second in reliability, above the industry average. With 20 more problems per 100 vehicles, Infiniti is ranked fourth.

Engine

The 911 has more powerful engines than the Q60:

 

Horsepower

Torque

911 3.0 turbo 6 cyl.

370 HP

331 lbs.-ft.

911 S 3.0 turbo 6 cyl.

420 HP

368 lbs.-ft.

911 GTS 3.0 turbo 6 cyl.

450 HP

405 lbs.-ft.

911 GT3 4.0 DOHC 6 cyl.

500 HP

339 lbs.-ft.

911 GT3 RS 4.0 DOHC 6 cyl.

520 HP

346 lbs.-ft.

911 Turbo 3.8 turbo 6 cyl.

540 HP

523 lbs.-ft.

911 Turbo S 3.8 turbo 6 cyl.

580 HP

553 lbs.-ft.

911 Turbo S Exclusive Series 3.8 turbo 6 cyl.

607 HP

553 lbs.-ft.

911 GT2 RS 3.8 turbo 6 cyl.

700 HP

553 lbs.-ft.

Q60 3.0t 3.0 turbo V6

300 HP

295 lbs.-ft.

Q60 Red Sport 400 3.0 turbo V6

400 HP

350 lbs.-ft.

As tested in Motor Trend the 911 S 3.0 turbo 6 cyl. is faster than the Q60 Red Sport 400 (automatics tested):

 

911

Q60

Zero to 60 MPH

3.1 sec

4.8 sec

Quarter Mile

11.5 sec

13.3 sec

Speed in 1/4 Mile

120.5 MPH

107.2 MPH

The flat cylinder configuration of the boxer engine in the 911 lowers its center of gravity, enhancing handling stability. The Q60 doesn’t offer a boxer engine configuration.

Fuel Economy and Range

On the EPA test cycle the 911 gets better fuel mileage than the Q60:

 

 

911

Q60

 

RWD

3.0 twin turbo 6 cyl. (370 HP)/7-spd. Manual

20 city/29 hwy

n/a

 

 

3.0 twin turbo 6 cyl. (420 HP)/7-spd. Manual

20 city/29 hwy

n/a

 

 

3.0 twin turbo 6 cyl. (370 HP)/7-spd. Auto

22 city/30 hwy

20 city/27 hwy

3.0 turbo V6/Auto

 

3.0 twin turbo 6 cyl. (420 HP)/7-spd. Auto

22 city/28 hwy

19 city/28 hwy

3.0 turbo V6/Auto

AWD

3.0 twin turbo 6 cyl. (370 HP)/7-spd. Manual

20 city/28 hwy

n/a

 

 

3.0 twin turbo 6 cyl. (420 HP)/7-spd. Manual

20 city/28 hwy

n/a

 

 

3.0 twin turbo 6 cyl. (370 HP)/7-spd. Auto

22 city/28 hwy

19 city/27 hwy

3.0 turbo V6/Auto

 

3.0 twin turbo 6 cyl. (420 HP)/7-spd. Auto

21 city/28 hwy

19 city/26 hwy

3.0 turbo V6/Auto

 

3.0 twin turbo 6 cyl. (450 HP)/7-spd. Auto

20 city/26 hwy

n/a

 

Regenerative brakes improve the 911’s fuel efficiency by converting inertia back into energy instead of wasting it. The Q60 doesn’t offer a regenerative braking system.

Regardless of its engine, the 911’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) Infiniti only offers an automatic engine start/stop system on the Q60 2.0t.

The 911 GT2 RS’ optional fuel tank has 3.7 gallons more fuel capacity than the Q60 (23.7 vs. 20 gallons).

Transmission

The 911 offers a manual transmission for better acceleration, control and fuel economy. The Q60 doesn’t offer a manual transmission.

The 911 offers an optional sequential manual gearbox (SMG). With no clutch pedal to worry about and a fully automatic mode, an SMG is much more efficient than a conventional automatic but just as easy to drive. The Q60 doesn’t offer an SMG.

The 911 PDK’s optional launch control uses engine electronics to hold engine RPM’s precisely in order to provide the most stable and rapid acceleration possible, using all of the available traction. The Q60 doesn’t offer launch control.

Brakes and Stopping

For better stopping power the 911’s brake rotors are larger than those on the Q60:

 

911

911

Q60

Q60 Red Sport 400

Front Rotors

13 inches

16.1 inches

12.6 inches

14 inches

Rear Rotors

13 inches

15.4 inches

12.1 inches

13.8 inches

The 911 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 Q60 doesn’t offer ceramic brake rotors.

The 911 stops much shorter than the Q60:

 

911

Q60

 

70 to 0 MPH

139 feet

164 feet

Car and Driver

60 to 0 MPH

87 feet

110 feet

Motor Trend

Tires and Wheels

For better traction, the 911 GT2 RS/GT3 RS’ tires are larger than the largest tires available on the Q60 (F:265/35R20 & R:325/30R21 vs. F:255/35R20 & R:275/30R20).

The 911’s standard 295/35R19 rear tires provide better handling because they have a lower 35 series profile (height to width ratio) that provides a stiffer sidewall than the Q60’s standard 40 series tires.

For better ride, handling and brake cooling the 911 GT2 RS/GT3 RS has standard 21-inch rear wheels. The Q60’s largest wheels are only 20-inches.

Suspension and Handling

The 911 offers active sway bars, which help keep it flat and controlled during cornering, but disconnect at lower speeds to smooth the ride and offer greater off-road suspension articulation. This helps keep the tires glued to the road on-road and off. The Q60 doesn’t offer an active sway bar system.

The 911 has a standard automatic front and rear load leveling suspension to keep ride height level with a heavy load or when towing. The Q60 doesn’t offer a load leveling suspension.

The 911 GT2 RS handles at 1.17 G’s, while the Q60 Red Sport 400 pulls only .91 G’s of cornering force in a Motor Trend skidpad test.

The 911 GT2 RS executes Motor Trend’s “Figure Eight” maneuver 3.6 seconds quicker than the Q60 Red Sport 400 (21.9 seconds @ 1.03 average G’s vs. 25.5 seconds @ .76 average G’s).

For better maneuverability, the 911 GT2 RS’ turning circle is 3.1 feet tighter than the Q60’s (33.6 feet vs. 36.7 feet). The 911’s turning circle is 1.7 feet tighter than the Q60 AWD’s (36.4 feet vs. 38.1 feet).

Chassis

The Porsche 911 may be more efficient, handle and accelerate better because it weighs about 350 to 650 pounds less than the Infiniti Q60.

The 911 is 7.3 inches shorter than the Q60, making the 911 easier to handle, maneuver and park in tight spaces.

The front grille of the 911 uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The Q60 doesn’t offer active grille shutters.

Passenger Space

The 911 Coupe has .1 inches more front headroom and 2.7 inches more front legroom than the Q60.

Cargo Capacity

A low lift-over trunk design makes loading and unloading the 911 easier. The 911’s trunk lift-over height is 24.3 inches, while the Q60’s liftover is 33.4 inches.

The 911’s standard folding rear seats are split to accommodate bulky cargo. The Q60’s standard single piece folding rear seat is not as flexible; long cargo and a passenger can’t share the rear seat.

Ergonomics

The 911’s optional easy entry system raises the steering wheel and glides the driver’s seat back when the door is unlocked or the ignition is switched off, making it easier for the driver to get in and out. The Q60 doesn’t offer an easy entry system.

The 911’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 Q60 does not have an oil pressure gauge.

The 911’s rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The Q60’s standard intermittent wipers change speed with vehicle speed, but can’t turn on and off or change speed based on changing rainfall.

To improve rear visibility by keeping the rear window clear, the 911 offers an optional rear wiper. The Q60 doesn’t offer a rear wiper.

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The 911 offers available headlight washers to keep headlight output high. The Q60 doesn’t offer headlight washers.

Optional air-conditioned seats in the 911 keep the driver and front passenger comfortable and take the sting out of hot seats in summer. The Q60 doesn’t offer air-conditioned seats.

The 911 has a standard center folding armrest for the rear passengers. A center armrest helps make rear passengers more comfortable. The Q60 doesn’t offer a rear seat center armrest.

Model Availability

The Porsche 911 comes in coupe and convertible bodystyles; the Infiniti Q60 isn’t available as a convertible.

Economic Advantages

The 911 will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the 911 will retain 52.12% to 58.08% of its original price after five years, while the Q60 only retains 42.74% to 44.56%.

Recommendations

Consumer Reports® recommends the Porsche 911, based on reliability, safety and performance.

J.D. Power and Associates rated the 911 first among midsize premium sporty cars in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The Q60 was rated second in its category.

The 911 Carrera GTS was chosen as one of Automobile Magazine’s “All Stars” in 2018. The Q60 has never been an “All Star.”

The Porsche 911 outsold the Infiniti Q60 by 450 units during 2018.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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