Compare the2024 Porsche CayenneVS 2024 Cadillac XT5

Safety
Warranty
Reliability
Engine
Fuel Economy and Range
Transmission
Brakes and Stopping
Tires and Wheels
Suspension and Handling
Passenger Space
Towing
Servicing Ease
Ergonomics
Recommendations

Safety

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The Porsche Cayenne has standard driver and front passenger side knee airbags mounted low on the dashboard. These airbags helps prevent the driver and front passenger from sliding under their seatbelts or the main frontal airbags; this keeps them better positioned during a collision for maximum protection. Knee airbags also help keep the legs from striking the dashboard, preventing knee and leg injuries in the case of a serious frontal collision. The XT5 doesn’t offer a front passenger side knee airbag.

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 XT5 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 provide maximum traction and stability on all roads, All-Wheel Drive is standard on the Cayenne. But it costs extra on the XT5.

When descending a steep, off-road slope, the Cayenne’s standard Porsche Hill Control allows you to creep down safely. The XT5 doesn’t offer Porsche Hill Control.

The Cayenne has a standard blind spot warning system that uses sensors to alert the driver to objects in the vehicle’s blind spots where the side view mirrors don’t reveal them. Only the XT5 Premium Luxury/Sport offers a blind spot warning system.

To help make backing out of a parking space safer, the Cayenne has standard Rear Cross Traffic Alert and automatically engage the brakes. Only the XT5 Premium Luxury/Sport offers Rear Cross Traffic Alert and the XT5’s Rear Cross Traffic Alert does not include automatic braking.

Both the Cayenne and the XT5 have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, rearview cameras, available night vision systems and around view monitors.

Warranty

The Cayenne’s corrosion warranty is 6 years longer than the XT5’s (12 vs. 6 years).

Reliability

J.D. Power and Associates’ 2023 Initial Quality Study of new car owners surveyed provide the statistics that show that Porsche vehicles are better in initial quality than Cadillac vehicles. J.D. Power ranks Porsche above average in initial quality. With 3 more problems per 100 vehicles, Cadillac is rated lower.

J.D. Power and Associates’ 2022 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Porsche vehicles are more reliable than Cadillac vehicles. J.D. Power ranks Porsche above average in long-term dependability. With 30 more problems per 100 vehicles in the first three years of ownership, Cadillac is rated lower.

From surveys of all its subscribers, Consumer Reports’ January 2024 Auto Issue reports that Porsche vehicles are more reliable than Cadillac vehicles. Consumer Reports ranks Porsche 8 places higher in reliability than Cadillac.

Engine

The Cayenne has more powerful engines than the XT5:

	Horsepower	Torque
Cayenne 3.0 turbo V6	348 HP	368 lbs.-ft.
Cayenne E-Hybrid 3.0 turbo V6 hybrid	463 HP	479 lbs.-ft.
Cayenne S 4.0 turbo V8	468 HP	442 lbs.-ft.
Cayenne S E-Hybrid 3.0 turbo V6 hybrid	512 HP	553 lbs.-ft.
Cayenne Turbo E-Hybrid 4.0 turbo V8 hybrid	729 HP	700 lbs.-ft.
XT5 2.0 turbo 4-cylinder	235 HP	258 lbs.-ft.
XT5 3.6 DOHC V6	310 HP	271 lbs.-ft.

Fuel Economy and Range

Regenerative brakes improve the Cayenne’s fuel efficiency by converting inertia back into energy instead of wasting it. The XT5 doesn’t offer a regenerative braking system.

The Cayenne’s standard fuel tank has 2 gallons more fuel capacity than the XT5 AWD’s standard fuel tank (23.7 vs. 21.7 gallons).

The Cayenne has a standard locking fuel door which locks and unlocks with the power locks. The fuel filler door is not lockable on the XT5. A locking fuel door helps prevent fuel theft and vandalism, such as sugar in the tank.

Transmission

The Cayenne’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 XT5 doesn’t offer launch control.

Brakes and Stopping

For better stopping power the Cayenne’s brake rotors are larger than those on the XT5:

	Cayenne	Cayenne CCB	XT5
Front Rotors	14.2 inches	17.3 inches	13.6 inches
Rear Rotors	13 inches	16.1 inches	12.4 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 XT5 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 XT5 doesn’t offer air brakes.

Tires and Wheels

For better traction, the Cayenne has larger standard tires than the XT5 (F:255/55R20 & R:295/45R20 vs. 235/65R18). The Cayenne’s optional tires are larger than the largest tires available on the XT5 (F:285/45R21 & R:315/40R21 vs. 235/65R18).

The Cayenne’s standard 255/55R20 front and 295/45R20 rear tires provide better handling because they have a lower 55 series front and 45 series rear profile (height to width ratio) that provides a stiffer sidewall than the XT5’s standard 65 series tires. The Cayenne’s optional 285/40R22 front and 315/35R22 rear tires have a lower 40 series front and 35 series rear profile than the XT5’s optional 55 series tires.

For better ride, handling and brake cooling the Cayenne has standard 20-inch wheels. Smaller 18-inch wheels are standard on the XT5. The Cayenne’s optional 22-inch wheels are larger than the 20-inch wheels optional on the XT5.

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 XT5 doesn’t offer an active sway bar system.

The Cayenne offers an available adjustable active suspension system, which counteracts cornering forces actively, limiting body roll and improving handling and stability. Cadillac doesn’t offer an active suspension on the XT5.

The Cayenne has a standard automatic load leveling suspension to keep ride height level with a heavy load or when towing. The XT5 doesn’t offer a load leveling suspension.

For a smoother ride and more stable handling, the Cayenne’s wheelbase is 1.5 inches longer than on the XT5 (114 inches vs. 112.5 inches).

For greater off-road capability the Cayenne E-Hybrid has a greater minimum ground clearance than the XT5 (8.1 vs. 7.8 inches), allowing the Cayenne to travel over rougher terrain without being stopped or damaged. The Cayenne Turbo E-Hybrid’s minimum ground clearance is 1.7 inches higher than on the XT5 (9.5 vs. 7.8 inches).

Passenger Space

The Cayenne has .8 inches more front shoulder room, .6 inches more rear headroom, 1.3 inches more rear legroom and .2 inches more rear shoulder room than the XT5.

The front step up height for the Cayenne is 1.8 inches lower than the XT5 (16.75” vs. 18.5”). The Cayenne’s rear step up height is 4 inches lower than the XT5’s (16” vs. 20”).

Towing

The Cayenne’s standard towing capacity is much higher than the XT5’s (7700 vs. 1000 pounds).

Servicing Ease

The engine in the Cayenne is mounted longitudinally (North-South), instead of sideways, as in the XT5. This makes it easier to service and maintain, because there are no rear spark plugs and the accessory belts are in front.

Ergonomics

Unlike the driver-only memory system in the XT5 Premium Luxury/Sport, the Cayenne offers an optional passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position, outside mirror angle and climate settings and the front passenger seat also adjusts to the new passenger’s preset preferences.

The Cayenne’s front and rear power windows all open or close with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside of the car. The XT5’s rear power window switches have to be held the entire time to close them fully.

The Cayenne’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 XT5’s standard manually variable intermittent wipers have to be constantly adjusted.

Heated windshield washer nozzles are standard on the Cayenne to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The XT5 doesn’t offer heated windshield washer nozzles.

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The Cayenne offers available headlight washers to keep headlight output high. The XT5 doesn’t offer headlight washers.

The XT5’s cornering lamps activate a lamp on the front corner when the turn signal is activated. The Cayenne’s optional adaptive cornering lights turn the actual headlight unit up to several degrees, depending on steering wheel angle and vehicle speed. This lights a significant distance into corners at any speed.

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 XT5 doesn’t offer secondary sun visors.

Manual rear side window sunshades are available in the Cayenne to help block heat and glare for the rear passengers. The XT5 doesn’t offer rear side window sunshades.

Optional air conditioned front and rear seats keep the Cayenne’s passengers comfortable and take the sting out of hot leather in summer. The XT5 doesn’t offer air-conditioned seats in the rear.

The Cayenne offers optional massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the XT5.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Porsche Cayenne has a standard wireless phone charging system (Qi) in the center console. Only the XT5 Premium Luxury/Sport offers wireless charging.

The Cayenne’s optional Active Parking Assistance can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. Remote ParkAssist will park and retrieve your car remotely: press a button and watch it park itself. This is ideal for tight locations. The XT5 Premium Luxury/Sport’s automatic parking system does not offer parking by remote control.

Recommendations

Consumer Reports® recommends both the Porsche Cayenne and the Cadillac XT5, based on reliability, safety and performance.