2019 Audi Q8 vs. 2019 Porsche Cayenne

Detailed Review, Specifications & Comparison

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Safety

The Q8’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Cayenne doesn’t offer pre-crash pretensioners.

Both the Q8 and Cayenne have child safety locks to prevent children from opening the rear doors. The Q8 has power child safety locks, allowing the driver to activate and deactivate them from the driver's seat and to know when they're engaged. The Cayenne’s child locks have to be individually engaged at each rear door with a manual switch. The driver can’t know the status of the locks without opening the doors and checking them.

Both the Q8 and the Cayenne have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, height adjustable front shoulder belts, four-wheel antilock brakes, all wheel drive, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, post-collision automatic braking systems, rearview cameras, available night vision systems, lane departure warning systems, blind spot warning systems, around view monitors and rear cross-path warning.

Warranty

There are over 59 percent more Audi dealers than there are Porsche dealers, which makes it much easier should you ever need service under the Q8’s warranty.

Reliability

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Audi vehicles are more reliable than Porsche vehicles. Consumer Reports ranks Audi 4 places higher in reliability than Porsche.

Engine

The Q8’s 3.0 turbo V6 hybrid produces 37 lbs.-ft. more torque (369 vs. 332) than the Cayenne’s standard 3.0 turbo V6.

Fuel Economy and Range

To lower fuel costs and make buying fuel easier, the Audi Q8 uses regular unleaded gasoline (premium recommended for maximum performance). The Cayenne requires premium, which can cost 20 to 55 cents more per gallon.

The Q8 has 2.7 gallons more fuel capacity than the Cayenne Hybrid’s standard fuel tank (22.5 vs. 19.8 gallons), for longer range between fill-ups.

Brakes and Stopping

For better stopping power the Q8’s standard brake rotors are larger than those on the Cayenne:

 

Q8

Cayenne

Front Rotors

14.8 inches

13.8 inches

Rear Rotors

13.8 inches

13 inches

Tires and Wheels

For better traction, the Q8 has larger standard tires than the Cayenne (275/50R20 vs. 255/55R19).

The Q8’s standard tires provide better handling because they have a lower 50 series profile (height to width ratio) that provides a stiffer sidewall than the Cayenne’s standard 55 series front tires.

For better ride, handling and brake cooling the Q8 has standard 20-inch wheels. Smaller 19-inch wheels are standard on the Cayenne.

Suspension and Handling

For a smoother ride and more stable handling, the Q8’s wheelbase is 3.9 inches longer than on the Cayenne (117.9 inches vs. 114 inches).

Cargo Capacity

The Q8 has a much larger cargo area with its rear seat up than the Cayenne with its rear seat up (28.6 vs. 27.1 cubic feet). The Q8 has a much larger cargo area with its rear seat folded than the Cayenne with its rear seat folded (67.5 vs. 60.3 cubic feet).

Ergonomics

The Q8 has a standard 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 Cayenne doesn’t offer a remote starting system.

The Q8’s standard easy entry system raises the steering wheel and glides the driver’s seat back, making it easier for the driver to get in and out. An easy entry system costs extra on the Cayenne.

If the windows are left open on the Q8 Premium Plus/Prestige the driver can close them all at the outside door handle or from a distance using the remote. On a hot day the driver can lower the windows from a distance using the keyless remote. The driver of the Cayenne can only operate the windows from inside the vehicle, with the ignition on.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the Q8 has standard extendable sun visors. The Cayenne doesn’t offer extendable visors.

A manual rear sunshade is optional in the Q8 to help block heat and glare for the rear passengers. The Cayenne doesn’t offer a rear sunshade.

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

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