2019 Lexus LS Series vs. 2019 Porsche Panamera

Detailed Review, Specifications & Comparison

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Safety

The LS Series’ pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Panamera doesn’t offer pre-crash pretensioners.

The LS Series has standard Secondary Collision Brake, which automatically apply the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The Panamera 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.

Over 200 people are killed each year when backed over by motor vehicles. The LS Series has a standard Auto-Stop that use rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The Panamera doesn’t offer backup collision prevention brakes.

To help make backing safer, the LS Series’ 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 LS Series’ 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 LS Series and the Panamera have standard driver and passenger frontal airbags, front 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 all wheel drive and around view monitors.

Warranty

Lexus’ powertrain warranty covers the LS Series 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 LS Series’ warranty.

Reliability

J.D. Power and Associates’ 2018 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 1 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.

Transmission

A 10-speed automatic is standard on the Lexus LS Series, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the Panamera.

The LS 500h has a standard continuously variable transmission (CVT). With no “steps” between gears, it can keep the engine at the most efficient speed for fuel economy, or keep it at its peak horsepower indefinitely for maximum acceleration. The Panamera doesn’t offer a CVT.

Brakes and Stopping

For better stopping power the LS Series’ standard brake rotors are larger than those on the Panamera:

 

LS Series

Panamera

Front Rotors

14 inches

13.8 inches

Rear Rotors

13.1 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 LS Series 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

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires standard on the LS Series can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The Panamera doesn’t offer run-flat tires.

Suspension and Handling

For a smoother ride and more stable handling, the LS Series’ wheelbase is 6.9 inches longer than on the Panamera (123 inches vs. 116.1 inches). The LS Series’ wheelbase is 1 inches longer than on the Panamera Executive (123 inches vs. 122 inches).

For better maneuverability, the LS Series’ turning circle is 2.2 feet tighter than the Panamera’s (36.8 feet vs. 39 feet). The LS Series AWD’s turning circle is 1.3 feet tighter than the Panamera Executive’s (39.4 feet vs. 40.7 feet).

Passenger Space

The LS Series has standard seating for 5 passengers; the Panamera can only carry 4.

Cargo Capacity

With its sedan body style, valet key and remote trunk release lockout, the LS Series offers cargo security. The Panamera’s hatchback body style and non-lockable remote release defeat cargo security.

Ergonomics

The LS Series 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 LS Series’ 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 LS Series 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 LS Series 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 LS Series has standard extendable sun visors. The Panamera doesn’t offer extendable visors.

Recommendations

The Lexus LS Series outsold the Porsche Panamera by 16% during 2018.

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

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