2020 Porsche Panamera vs. 2020 Lexus GS F

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 2020/08/13

Both the Panamera and GS F have child safety locks to prevent children from opening the rear doors. The Panamera offers optional 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 GS F’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.

The Panamera offers all-wheel drive to maximize traction under poor conditions, especially in ice and snow. The GS F doesn’t offer all-wheel drive.

A passive infrared night vision system optional on the Panamera helps the driver to more easily detect people, animals or other objects in front of the vehicle at night. Using an infrared camera to detect heat, the system then displays the image on a monitor in the dashboard and even aims one of the vehicle’s headlights in the direction of the person or object. The GS F doesn’t offer a night vision system.

The Panamera offers an optional Surround View System to allow the driver to see objects all around the vehicle on a screen. The GS F only offers a rear monitor and front and rear parking sensors that beep or flash a light. That doesn’t help with obstacles to the sides.

Both the Panamera and the GS F have standard driver and passenger frontal airbags, front and rear side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, front seatbelt pretensioners, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available crash mitigating brakes, lane departure warning systems and blind spot warning systems.

Warranty

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The Panamera’s corrosion warranty is 6 years longer than the GS F’s (12 vs. 6 years).

Reliability

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The battery on the Panamera is in the trunk, which protects it from hot underhood temperatures that can degrade battery life. By keeping the Panamera’s battery 20 to 30 degrees cooler, its life is increased by years. The GS F’s battery is in the hot engine compartment.

Engine

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The Panamera 4S’ standard 2.9 turbo V6 produces 16 lbs.-ft. more torque (405 vs. 389) than the GS F’s 5.0 DOHC V8. The Panamera GTS’ standard 4.0 turbo V8 produces 68 lbs.-ft. more torque (457 vs. 389) than the GS F’s 5.0 DOHC V8. The Panamera 4 E-Hybrid’s standard 2.9 turbo V6 hybrid produces 127 lbs.-ft. more torque (516 vs. 389) than the GS F’s 5.0 DOHC V8. The Panamera Turbo S E-Hybrid’s standard 4.0 turbo V8 hybrid produces 210 more horsepower (677 vs. 467) and 237 lbs.-ft. more torque (626 vs. 389) than the GS F’s 5.0 DOHC V8.

As tested in Motor Trend the Panamera 4S is faster than the Lexus GS F:

Panamera

GS F

Zero to 30 MPH

1.3 sec

1.8 sec

Zero to 60 MPH

3.8 sec

4.4 sec

Zero to 80 MPH

6.4 sec

7 sec

Zero to 100 MPH

9.9 sec

10.3 sec

Quarter Mile

12.3 sec

12.8 sec

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 2020/08/13

On the EPA test cycle the Panamera E-Hybrid running on electricity gets better fuel mileage than the GS F:

MPGe

Panamera E-Hybrid

AWD

2.9 turbo V6 Hybrid

48 city/54 hwy

4.0 turbo V8 Hybrid

46 city/51 hwy

MPG

GS F

RWD

5.0 DOHC V8

16 city/24 hwy

On the EPA test cycle the Panamera running its gasoline engine gets better fuel mileage than the GS F:

MPG

Panamera

RWD

3.0 turbo V6

19 city/27 hwy

AWD

3.0 turbo V6

19 city/26 hwy

2.9 turbo V6 Hybrid

21 city/24 hwy

2.9 turbo V6

18 city/26 hwy

Turbo 4.0 turbo V8

18 city/25 hwy

4.0 turbo V8 Hybrid

19 city/22 hwy

GS F

RWD

5.0 DOHC V8

16 city/24 hwy

The Panamera 4 E-Hybrid can drive on battery power alone for up to 14 miles. The GS F must run its internal combustion engine to move.

An engine control system that can shut down half of the engine’s cylinders helps improve the Panamera Turbo/GTS’ fuel efficiency. The GS F doesn’t offer a system that can shut down part of the engine.

Regenerative brakes improve the Panamera’s fuel efficiency by converting inertia back into energy instead of wasting it (mild regeneration on non-hybrids). The GS F doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the Panamera’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 GS F doesn’t offer an automatic engine start/stop system.

The Panamera E Hybrid’s standard fuel tank has 3.7 gallons more fuel capacity than the GS F (21.1 vs. 17.4 gallons), for longer range between fill-ups. The Panamera’s standard fuel tank has 6.3 gallons more fuel capacity than the GS F (23.7 vs. 17.4 gallons).

Transmission

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The Panamera offers a standard sequential manual gearbox (SMG). With no clutch pedal to worry about and a fully automatic mode, an SMG is much more efficient than a conventional automatic but just as easy to drive. The GS F doesn’t offer an SMG or a conventional manual transmission.

The Panamera’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 GS F doesn’t offer launch control.

Brakes and Stopping

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For better stopping power the Panamera’s brake rotors are larger than those on the GS F:

Panamera E-Hybrid/GTS

Panamera Turbo

Panamera opt.

GS F

Front Rotors

15.4 inches

16.1 inches

16.5 inches

14.9 inches

Rear Rotors

14.4 inches

15 inches

16.1 inches

13.5 inches

The Panamera 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 GS F doesn’t offer ceramic brake rotors.

The Panamera stops shorter than the GS F:

Panamera

GS F

60 to 0 MPH

101 feet

109 feet

Motor Trend

Tires and Wheels

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For better traction, the Panamera has larger standard tires than the GS F (F:265/45R19 & R:295/40R19 vs. F:255/35R19 & R:275/35R19). The Panamera’s optional tires are larger than the largest tires available on the GS F (F:275/40R20 & R:315/35R20 vs. F:255/35R19 & R:275/35R19).

The Panamera’s optional 315/30R21 rear tires provide better handling because they have a lower 30 series profile (height to width ratio) that provides a stiffer sidewall than the GS F’s 35 series tires.

For better ride, handling and brake cooling the Panamera offers optional 21-inch wheels. The GS F’s largest wheels are only 19-inches.

Suspension and Handling

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The Panamera 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 GS F doesn’t offer an active sway bar system.

The Panamera 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 GS F.

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

For a smoother ride and more stable handling, the Panamera’s wheelbase is 3.9 inches longer than on the GS F (116.1 inches vs. 112.2 inches). The Panamera Executive’s wheelbase is 9.8 inches longer than on the GS F (122 inches vs. 112.2 inches).

For better handling and stability, the average track (width between the wheels) on the Panamera is 4.3 inches wider in the front and 3.4 inches wider in the rear than the track on the GS F.

The Panamera 4S handles at 1.01 G’s, while the GS F pulls only .95 G’s of cornering force in a Motor Trend skidpad test.

The Panamera Turbo executes Motor Trend’s “Figure Eight” maneuver quicker than the GS F (23.9 seconds @ .86 average G’s vs. 24.3 seconds @ .81 average G’s).

Chassis

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

The Panamera offers available computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The GS F doesn’t offer active noise cancellation.

Passenger Space

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Because it has more passenger and cargo room, the EPA rates the Panamera 4dr Hatchback a Large car, while the GS F is rated a Compact.

The Panamera has 17.2 cubic feet more passenger volume than the GS F (108 vs. 90.8).

For enhanced passenger comfort on long trips the Panamera’s available rear seats recline. The GS F’s rear seats don’t recline.

Cargo Capacity

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The Panamera has a much larger trunk with its rear seat up than the GS F (17.6 vs. 14 cubic feet).

The Panamera Sport Turismo has a much larger trunk with its rear seat up than the GS F (18.3 vs. 14 cubic feet).

The Panamera’s available rear seats fold to accommodate long and bulky cargo. The GS F doesn’t offer folding rear seats, only a ski pass-through.

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

To make loading and unloading groceries and cargo easier, especially for short adults, the Panamera has a standard power liftgate, which opens and closes automatically by pressing a button, or optionally by just kicking your foot under the back bumper, completely leaving your hands free. The GS F doesn’t offer a power trunk.

Servicing Ease

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J.D. Power and Associates surveys of service recipients show that Porsche service is better than Lexus. J.D. Power ranks Porsche first in service department satisfaction. With a 12% lower rating, Lexus is ranked second.

Ergonomics

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The Panamera’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 GS F does not have an oil pressure gauge.

To improve rear visibility by keeping the rear window clear, the Panamera offers an optional rear wiper. The GS F doesn’t offer a rear wiper.

A power rear sunshade is optional in the Panamera (except Sport Turismo) and power rear side window sunshades are optional in the Panamera to help block heat and glare for the rear passengers. The GS F doesn’t offer rear side window sunshades.

Both the Panamera and the GS F have standard heated front seats. The Panamera also offers optional heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the GS F.

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

On extremely cold winter days, the Panamera’s optional heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the car heater warms up. The GS F doesn’t offer a heated steering wheel.

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

The Panamera Sport Turismo offers an optional 115-volt a/c outlet in the cargo area, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The GS F doesn’t offer a house-current electrical outlet.

Model Availability

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The Porsche Panamera comes in four door hatchback and station wagon bodystyles; the Lexus GS F isn’t available as a station wagon.

Recommendations

© 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 2020/08/13

The Porsche Panamera outsold the Lexus GS Series by 67% during the 2019 model year.

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

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