2020 Lexus GS F vs. 2019 Porsche Panamera

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2019 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 2019/11/20

To help make backing safer, the GS F’s 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 Panamera doesn’t offer a cross-path warning system.

The GS F’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 Panamera doesn’t offer a driver alert monitor.

Both the GS F and the Panamera 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 and rearview cameras.

Warranty

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Lexus’ powertrain warranty covers the GS F 2 years and 20,000 miles longer than Porsche covers the Panamera. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the Panamera ends after only 4 years or 50,000 miles.

There are over 26 percent more Lexus dealers than there are Porsche dealers, which makes it easier should you ever need service under the GS F’s warranty.

Reliability

© 1999 - 2019 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 2019/11/20

J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Lexus vehicles are better in initial quality than Porsche vehicles. J.D. Power ranks Lexus 8th in initial quality, above the industry average. With 6 more problems per 100 vehicles, Porsche is ranked 15th, below the industry average.

J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Lexus vehicles are more reliable than Porsche vehicles. J.D. Power ranks Lexus first in reliability, above the industry average. With 2 more problems per 100 vehicles, Porsche is ranked second.

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Lexus vehicles are more reliable than Porsche vehicles. Consumer Reports ranks Lexus first in reliability. Porsche is ranked 11th.

Engine

© 1999 - 2019 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 2019/11/20

The GS F’s 5.0 DOHC V8 produces 137 more horsepower (467 vs. 330) and 58 lbs.-ft. more torque (389 vs. 331) than the Panamera’s standard 3.0 turbo V6. The GS F’s 5.0 DOHC V8 produces 27 more horsepower (467 vs. 440) than the Panamera 4S’ standard 2.9 turbo V6. The GS F’s 5.0 DOHC V8 produces 14 more horsepower (467 vs. 453) than the Panamera GTS’ standard 4.0 turbo V8.

Environmental Friendliness

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In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Lexus GS F higher (5 out of 10) than the Porsche Panamera (3 to 5). This means the GS F produces up to 16.5 pounds less smog-producing pollutants than the Panamera every 15,000 miles.

Brakes and Stopping

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

GS F

Panamera

Front Rotors

14.9 inches

13.8 inches

Rear Rotors

13.5 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 GS F has a standard brake assist system 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 Panamera doesn’t offer a brake assist feature.

Tires and Wheels

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The GS F’s tires provide better handling because they have a lower 35 series profile (height to width ratio) that provides a stiffer sidewall than the Panamera’s standard 45 series front and 40 series rear tires.

The GS F has a standard space-saver spare tire so you can replace a flat tire and drive to have the flat repaired or replaced. A spare tire isn’t available on the Panamera; it requires you to depend on roadside assistance and your vehicle will have to be towed.

Suspension and Handling

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For better maneuverability, the GS F’s turning circle is 2.2 feet tighter than the Panamera’s (36.8 feet vs. 39 feet). The GS F’s turning circle is 3.9 feet tighter than the Panamera Executive’s (36.8 feet vs. 40.7 feet).

Chassis

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The GS F is 5.3 inches shorter than the Panamera, making the GS F easier to handle, maneuver and park in tight spaces.

Passenger Space

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The GS F has standard seating for 5 passengers; the Panamera can only carry 4.

Cargo Capacity

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A low lift-over trunk design makes loading and unloading the GS F easier. The GS F’s trunk lift-over height is 27.4 inches, while the Panamera’s liftover is 29.7 inches.

With its sedan body style, valet key, locking rear seatbacks and remote trunk release lockout, the GS F offers cargo security. The Panamera’s hatchback body style and non-lockable remote release defeat cargo security.

Ergonomics

© 1999 - 2019 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 2019/11/20

The GS F has a standard 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 Panamera doesn’t offer a remote starting system.

The GS F’s standard easy entry system raises the steering wheel and glides the driver’s seat back, making it easier for the driver to get in and out. An easy entry system costs extra on the Panamera.

The GS F offers an optional heads-up display that projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Panamera doesn’t offer a heads-up display.

If the windows are left open on the GS F the driver can close them all at the outside door handle. On a hot day the driver can lower the windows at the outside door handle or from a distance using the keyless remote. (This window function must be activated by your Lexus service department.) The driver of the Panamera can only operate the windows from inside the vehicle, with the ignition on.

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

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