Certified Benz & Beemer Compares 2013 Porsche CAYENNE VS 2013 Lexus GX460 Near Phoenix, AZ

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2013 Porsche CAYENNE

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VS

2013 Lexus GX460

Safety Comparison

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The Cayenne’s optional blind spot warning system uses digital cameras monitored by computer to alert the driver to moving objects in the vehicle’s blind spots where the side view mirrors don’t reveal them. The GX460 doesn’t offer a system to reveal objects in the driver’s blind spots.

For better protection of the passenger compartment, the Cayenne uses safety cell construction with a three-dimensional high-strength frame that surrounds the passenger compartment. It provides extra impact protection and a sturdy mounting location for door hardware and side impact beams. The GX460 uses a body-on-frame design, which has no frame members above the floor of the vehicle.

Both the Cayenne and the GX460 have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front and rear seatbelt pretensioners, height adjustable front shoulder belts, plastic fuel tanks, four-wheel antilock brakes, all wheel drive, traction control and electronic stability systems to prevent skidding.

Warranty Comparison

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The Cayenne’s corrosion warranty is 4 years longer than the GX460’s (10 vs. 6 years).

Reliability Comparison

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To reliably power the ignition and other systems and to recharge the battery, the Cayenne has a standard 220 amp alternator (190 amp - Cayenne V8). The GX460’s 130 amp alternator isn’t as powerful.

Engine Comparison

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The Cayenne Hybrid’s standard 3.0 supercharged V6 hybrid produces 79 more horsepower (380 vs. 301) and 99 lbs.-ft. more torque (428 vs. 329) than the GX460’s 4.6 DOHC V8. The Cayenne S’ standard 4.8 DOHC V8 produces 99 more horsepower (400 vs. 301) and 40 lbs.-ft. more torque (369 vs. 329) than the GX460’s 4.6 DOHC V8. The Cayenne GTS’ standard 4.8 DOHC V8 produces 119 more horsepower (420 vs. 301) and 51 lbs.-ft. more torque (380 vs. 329) than the GX460’s 4.6 DOHC V8. The Cayenne Turbo’s standard 4.8 turbo V8 produces 199 more horsepower (500 vs. 301) and 187 lbs.-ft. more torque (516 vs. 329) than the GX460’s 4.6 DOHC V8.

The Cayenne’s 3.0 turbo V6 diesel produces 77 lbs.-ft. more torque (406 vs. 329) than the GX460’s 4.6 DOHC V8.

As tested in Motor Trend the Cayenne Hybrid is faster than the Lexus GX460 (automatics tested):

Cayenne

GX460

Zero to 60 MPH

5.6 sec

6.9 sec

Quarter Mile

14.3 sec

15.4 sec

Speed in 1/4 Mile

95.7 MPH

89.7 MPH

Fuel Economy and Range Comparison

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On the EPA test cycle the Cayenne Diesel gets better fuel mileage than the GX460 (20 city/28 hwy vs. 15 city/20 hwy).

On the EPA test cycle the Cayenne Hybrid gets better fuel mileage than the GX460 (20 city/24 hwy vs. 15 city/20 hwy).

On the EPA test cycle the Cayenne S gets better fuel mileage than the GX460 (16 city/22 hwy vs. 15 city/20 hwy).

Regenerative brakes improve the Cayenne Hybrid’s fuel efficiency by converting inertia back into energy instead of wasting it. The GX460 doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the Cayenne Automatic’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) The GX460 doesn’t offer an automatic engine start/stop system.

The Cayenne Turbo/Diesel’s standard fuel tank has 3.4 gallons more fuel capacity than the GX460 (26.4 vs. 23 gallons).

Brakes and Stopping Comparison

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For better stopping power the Cayenne’s brake rotors are larger than those on the GX460:

Cayenne V6 Manual

Cayenne Turbo

GX460

Front Rotors

13.8 inches

16.5 inches

13.3 inches

Rear Rotors

13 inches

14.57 inches

12.3 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 GX460 doesn’t offer ceramic brake rotors.

The Cayenne stops much shorter than the GX460:

Cayenne

GX460

70 to 0 MPH

166 feet

184 feet

Car and Driver

60 to 0 MPH

106 feet

117 feet

Motor Trend

Tires and Wheels Comparison

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For better traction, the Cayenne’s optional tires are larger than the largest tires available on the GX460 (295/35R21 vs. 265/60R18).

The Cayenne’s standard tires provide better handling because they have a lower 55 series profile (height to width ratio) that provides a stiffer sidewall than the GX460’s standard 60 series tires. The Cayenne’s optional tires have a lower 35 series profile than the GX460’s 60 series tires.

For better ride, handling and brake cooling the Cayenne offers optional 21-inch wheels. The GX460’s largest wheels are only 18-inches.

Suspension and Handling Comparison

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For superior ride and handling, the Porsche Cayenne has fully independent front and rear suspensions. An independent suspension allows the wheels to follow the road at the best angle for gripping the pavement, without compromising ride comfort. The Lexus GX460 has a solid rear axle, with a non-independent rear suspension.

The Cayenne offers an available adjustable active suspension system, which counteracts cornering forces actively, limiting body roll and improving handling and stability. Lexus doesn’t offer an active suspension on the GX460.

For a smoother ride and more stable handling, the Cayenne’s wheelbase is 4.2 inches longer than on the GX460 (114 inches vs. 109.8 inches).

For better handling and stability, the track (width between the wheels) on the Cayenne is 2.8 inches wider in the front and 3.3 inches wider in the rear than on the GX460.

The Cayenne Turbo handles at .93 G’s, while the GX460 pulls only .74 G’s of cornering force in a Car and Driver skidpad test.

The Cayenne Turbo executes Motor Trend’s “Figure Eight” maneuver 3.5 seconds quicker than the GX460 (24.8 seconds @ .81 average G’s vs. 28.3 seconds @ .58 average G’s).

For greater off-road capability the Cayenne has a greater minimum ground clearance than the GX460 (8.7 vs. 8.1 inches), allowing the Cayenne to travel over rougher terrain without being stopped or damaged. The Cayenne Turbo’s minimum ground clearance is 2.65 inches higher than on the GX460 (10.75 vs. 8.1 inches).

Chassis Comparison

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The Porsche Cayenne may be more efficient, handle and accelerate better because it weighs about 100 to 900 pounds less than the Lexus GX460.

The Cayenne is 7.9 inches shorter in height than the GX460, making the Cayenne much easier to wash and garage and drive (lower center of gravity).

Unibody construction makes the Cayenne’s chassis much stiffer, which contributes to better handling, and enables softer springs to be used for a better ride. Unibody construction’s stiffness also contributes to better durability and less body squeaks and rattles. The GX460 doesn’t use unibody construction, but a body-on-frame design.

Passenger Space Comparison

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The Cayenne has 1.6 inches more front headroom, 3.1 inches more front shoulder room and 1.9 inches more rear legroom than the GX460.

Cargo Capacity Comparison

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A low lift-over cargo hatch design makes loading and unloading the Cayenne easier. The Cayenne’s cargo hatch lift-over height is 25.5 inches, while the GX460’s liftover is 33.8 inches.

The Cayenne’s liftgate lifts up in one piece, completely out of the way of loading and unloading, while sheltering the cargo loading area. The GX460’s swing out door blocks loading from the passenger’s side.

To make loading and unloading groceries and cargo easier, especially for short adults or children, the Cayenne has a standard power rear liftgate, which opens and closes completely automatically by pressing a button on the key fob. The GX460 doesn’t offer a power right swing out.

Ergonomics Comparison

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Unlike the driver-only memory system in the GX460, the Cayenne offers an optional driver and passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.

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 GX460 does not have an oil pressure gauge.

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 GX460 doesn’t offer heated windshield washer nozzles.

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 GX460 doesn’t offer secondary sun visors.

The Cayenne’s power mirror controls are mounted on the armrest for easy access. The GX460’s power mirror controls are on the dash, hidden behind the steering wheel, where they are awkward to manipulate.

Economic Advantages Comparison

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According to The Car Book by Jack Gillis, the Cayenne is less expensive to operate than the GX460 because it costs $231 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost much less on the Cayenne than the GX460, including $221 less for a water pump, $44 less for front brake pads, $628 less for a starter, $175 less for fuel injection, $177 less for a fuel pump, $290 less for front struts, $395 less for a timing belt/chain and $304 less for a power steering pump.

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