2019 Porsche Cayenne vs. 2019 BMW X6 M

Detailed Review, Specifications & Comparison

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Safety

For enhanced safety, the front seat shoulder belts of the Porsche Cayenne are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The BMW X6 M doesn’t offer height-adjustable seat belts.

The Cayenne has a standard Multi-collision Brake System, which automatically applies the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The X6 M 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.

To help make backing safer, the Cayenne’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 X6 M doesn’t offer a cross-path warning system.

Both the Cayenne and the X6 M 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, daytime running lights, rearview cameras, available night vision systems, lane departure warning systems, blind spot warning systems and around view monitors.

Reliability

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 BMW vehicles. J.D. Power ranks Porsche fourth in initial quality, above the industry average. With 8 more problems per 100 vehicles, BMW is ranked 11th.

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 BMW vehicles. J.D. Power ranks Porsche second in reliability, above the industry average. With 27 more problems per 100 vehicles, BMW is ranked 8th.

Engine

The Cayenne Turbo’s standard 4.0 turbo V8 produces 15 lbs.-ft. more torque (568 vs. 553) than the X6 M’s 4.4 turbo V8.

Fuel Economy and Range

On the EPA test cycle the Cayenne with its standard engine gets better fuel mileage than the X6 M (19 city/23 hwy vs. 14 city/19 hwy).

The Cayenne E-Hybrid can drive on battery power alone for up to 27 miles. The X6 M must run its internal combustion engine to move.

The Cayenne’s standard fuel tank has 1.3 gallons more fuel capacity than the X6 M (23.7 vs. 22.4 gallons).

Brakes and Stopping

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

 

Cayenne

X6 M

Front Rotors

17.3 inches

15.6 inches

Rear Rotors

16.1 inches

15.2 inches

The Cayenne 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 X6 M doesn’t offer ceramic brake rotors.

The Cayenne Turbo has standard air brakes, which adjust the spoiler automatically during high-speed braking in order to shorten stopping distances. The X6 M doesn’t offer air brakes.

Tires and Wheels

For better ride, handling and brake cooling the Cayenne offers optional 22-inch wheels. The X6 M’s largest wheels are only 21-inches.

Suspension and Handling

The Cayenne 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 X6 M doesn’t offer an active sway bar system.

For better maneuverability, the Cayenne’s turning circle is 2.3 feet tighter than the X6 M’s (39.7 feet vs. 42 feet).

For greater off-road capability the Cayenne has a greater minimum ground clearance than the X6 M (8.2 vs. 8.1 inches), allowing the Cayenne to travel over rougher terrain without being stopped or damaged. The Cayenne Air Suspension’s minimum ground clearance is .3 inch higher than on the X6 M (8.4 vs. 8.1 inches).

Chassis

The Porsche Cayenne may be more efficient, handle and accelerate better because it weighs about 150 to 800 pounds less than the BMW X6 M.

The front grille of the Cayenne uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The X6 M doesn’t offer active grille shutters.

Passenger Space

For enhanced passenger comfort on long trips the Cayenne’s rear seats recline. The X6 M’s rear seats don’t recline.

Cargo Capacity

The Cayenne has a larger cargo volume with its rear seat up than the X6 M with its rear seat up (27.1 vs. 26.6 cubic feet). The Cayenne has a larger cargo volume with its rear seat folded than the X6 M with its rear seat folded (60.3 vs. 59.7 cubic feet).

Payload

The Cayenne has a much higher standard payload capacity than the X6 M (1674 vs. 1170 lbs.).

The Cayenne has a much higher maximum payload capacity than the X6 M (1862 vs. 1170 lbs.).

Servicing Ease

J.D. Power and Associates surveys of service recipients show that Porsche service is better than BMW. J.D. Power ranks Porsche second in service department satisfaction. With a 17% lower rating, BMW is ranked 8th.

Ergonomics

The Cayenne’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 X6 M does not have an oil pressure gauge.

To improve rear visibility by keeping the rear window clear, the Cayenne has a standard rear wiper. The X6 M doesn’t offer a rear wiper.

To better shield the driver and front passenger’s vision, the Cayenne has standard dual-element sun visors that can block glare from two directions simultaneously. The X6 M doesn’t offer secondary sun visors.

Optional air conditioned front and rear seats keep the Cayenne’s passengers comfortable and take the sting out of hot leather in summer. The X6 M doesn’t offer air-conditioned seats in the rear.

To keep a safe, consistent following distance, the Cayenne offers an optional Adaptive Cruise Control, which alters the speed of the vehicle without driver intervention. This allows the driver to use cruise control more safely without constantly having to disengage it when approaching slower traffic. The X6 M doesn’t offer an adaptive cruise control.

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

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