2020 BMW X6 M vs. 2020 Porsche Cayenne

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/05/28

The X6 M’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.

Over 200 people are killed each year when backed over by motor vehicles. The X6 M offers optional Active Park Distance Control that uses rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The Cayenne doesn’t offer backup collision prevention brakes.

The X6 M’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The Cayenne doesn’t offer a driver alert monitor.

Both the X6 M and the Cayenne have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, four-wheel antilock brakes, all wheel drive, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, post-collision automatic braking systems, daytime running lights, rearview cameras and available night vision systems.

Warranty

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BMW pays for scheduled maintenance on the X6 M for 2 years and 26000 miles longer than Porsche pays for maintenance for the Cayenne (3/36,000 vs. 1/10,000).

There are over 82 percent more BMW dealers than there are Porsche dealers, which makes it much easier should you ever need service under the X6 M’s warranty.

Engine

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The X6 M has more powerful engines than the Cayenne:

Horsepower

Torque

X6 M 4.4 turbo V8

600 HP

553 lbs.-ft.

X6 M 4.4 turbo V8

617 HP

553 lbs.-ft.

Cayenne 3.0 turbo V6

335 HP

332 lbs.-ft.

Cayenne S 2.9 turbo V6

434 HP

406 lbs.-ft.

Cayenne E-Hybrid 3.0 turbo V6 hybrid

455 HP

516 lbs.-ft.

Cayenne Turbo 4.0 turbo V8

541 HP

568 lbs.-ft.

Fuel Economy and Range

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/05/28

The X6 M has 2.1 gallons more fuel capacity than the Cayenne E-Hybrid’s standard fuel tank (21.9 vs. 19.8 gallons), for longer range between fill-ups.

Brakes and Stopping

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For better stopping power the X6 M’s standard brake rotors are larger than those on the Cayenne:

X6 M

Cayenne

Front Rotors

15.6 inches

13.8 inches

Rear Rotors

15 inches

13 inches

In an emergency stopping situation, many drivers don’t press the brakes with enough force to stop the vehicle in the shortest distance. The X6 M has a standard Brake Assistant to detect emergency braking situations (by how hard and how quickly the brake pedal is pressed) and then automatically apply maximum braking immediately in order to help prevent a collision. The Cayenne doesn’t offer a brake assist feature.

Tires and Wheels

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For better traction, the X6 M has larger tires than the Cayenne (F:295/35R21 & R:315/35R21 vs. F:255/55R19 & R:275/50R19). The X6 M’s front tires are larger than the largest tires available on the Cayenne (F:295/35R21 & R:315/35R21 vs. F:285/40R21 & R:315/35R21).

The X6 M’s standard tires provide better handling because they have a lower 35 series profile (height to width ratio) that provides a stiffer sidewall than the Cayenne’s standard 55 series front and 50 series rear tires.

For better ride, handling and brake cooling the X6 M has standard 21-inch wheels. Smaller 19-inch wheels are standard on the Cayenne.

Suspension and Handling

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The rear suspension of the X6 M uses air springs for a smoother, controlled ride than the Cayenne, which uses coil springs. Air springs maintain proper ride height and ride more smoothly.

For a smoother ride and more stable handling, the X6 M’s wheelbase is 3 inches longer than on the Cayenne (117 inches vs. 114 inches).

The X6 M’s front to rear weight distribution is more even (51.4% to 48.6%) than the Cayenne’s (53.6% to 46.4%). This gives the X6 M more stable handling and braking.

For greater off-road capability the X6 M has a greater minimum ground clearance than the Cayenne (8.3 vs. 8.2 inches), allowing the X6 M to travel over rougher terrain without being stopped or damaged.

Passenger Space

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The X6 M has 1.1 inches more front headroom, .9 inches more front shoulder room and 1.2 inches more rear shoulder room than the Cayenne.

Cargo Capacity

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The X6 M has a larger cargo volume than the Cayenne with its rear seat up (27.4 vs. 27.1 cubic feet).

Pressing a switch automatically lowers the X6 M’s rear seats, to make changing between passengers and cargo easier. The Cayenne doesn’t offer automatic folding seats.

Ergonomics

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/05/28

The X6 M 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 Cayenne doesn’t offer a remote starting system.

The X6 M’s standard easy entry system raises the steering wheel, 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 X6 M 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.

The X6 M’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 Cayenne’s cruise control switches are unlit, making them difficult to find at night and operate safely.

Heated windshield washer nozzles are standard on the X6 M to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The Cayenne doesn’t offer heated windshield washer nozzles.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the X6 M has standard extendable sun visors. The Cayenne doesn’t offer extendable visors.

The X6 M has a standard heated steering wheel to take the chill out of steering on extremely cold winter days before the vehicle heater warms up. A heated steering wheel costs extra on the Cayenne.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the BMW X6 M has a standard wireless phone charging system (Qi) in the center console. The Cayenne doesn’t offer wireless personal charging.

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