2019 Audi A8 vs. 2019 Lexus LS Series

Detailed Review, Specifications & Comparison

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Safety

To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the A8. But it costs extra on the LS Series.

A passive infrared night vision system optional on the A8 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. The LS Series doesn’t offer a night vision system.

Both the A8 and the LS Series have standard driver and passenger frontal airbags, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, post-collision automatic braking systems, daytime running lights, rearview cameras, available lane departure warning systems, blind spot warning systems, around view monitors and rear cross-path warning.

Warranty

The A8’s corrosion warranty is 6 years longer than the LS Series’ (12 vs. 6 years).

There are over 26 percent more Audi dealers than there are Lexus dealers, which makes it easier should you ever need service under the A8’s warranty.

Fuel Economy and Range

On the EPA test cycle the A8 V6T gets better fuel mileage than the LS 500 AWD (19 city/27 hwy vs. 18 city/27 hwy).

To lower fuel costs and make buying fuel easier, the Audi A8 uses regular unleaded gasoline (premium recommended for maximum performance). The LS Series requires premium, which can cost 20 to 55 cents more per gallon.

Brakes and Stopping

For better stopping power the A8’s standard brake rotors are larger than those on the LS Series:

 

A8

LS Series

Front Rotors

14.8 inches

14 inches

Rear Rotors

13.8 inches

13.1 inches

Tires and Wheels

For better traction, the A8 has larger tires than the LS Series (255/45R19 vs. 245/50R19). The A8’s tires are larger than the largest tires available on the LS Series (255/45R19 vs. 245/45R20).

The A8’s tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the LS Series’ standard 50 series tires.

The A8 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 LS Series; it requires you to depend on its run-flat tires, which limits mileage and speed before they are repaired. If a run-flat is damaged beyond repair by a road hazard your vehicle will have to be towed.

Suspension and Handling

The front and rear suspension of the A8 uses air springs for a smoother, controlled ride than the LS Series, which uses coil springs. Air springs maintain proper ride height and ride more smoothly.

The A8 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 LS Series.

Passenger Space

The A8 has 1 inch more front headroom, .5 inches more front legroom, .3 inches more front shoulder room, 1.2 inches more rear headroom, 5.4 inches more rear legroom and 1.2 inches more rear shoulder room than the LS Series.

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

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