2019 Audi A8 vs. 2019 Genesis G90

Detailed Review, Specifications & Comparison

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Safety

Both the A8 and G90 have child safety locks to prevent children from opening the rear doors. The A8 has 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 G90’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 A8 has a standard front seat center airbag, which deploys between the driver and front passenger, protecting them from injuries caused by striking each other in serious side impacts. The G90 doesn’t offer front seat center airbags.

The A8 has a standard Secondary Collision Brake Assist, which automatically applies the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The G90 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.

To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the A8. But it costs extra on the G90.

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 and even aims one of the vehicle’s headlights in the direction of the person or object. The G90 doesn’t offer a night vision system.

Both the A8 and the G90 have standard driver and passenger frontal airbags, front and rear side-impact airbags, driver 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, crash mitigating brakes, 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 5 years longer than the G90’s (12 vs. 7 years).

Reliability

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Audi vehicles are more reliable than Genesis vehicles. Consumer Reports ranks Audi 5 places higher in reliability than Genesis.

Fuel Economy and Range

On the EPA test cycle the A8 gets better fuel mileage than the G90 3.3T AWD (19 city/27 hwy vs. 17 city/24 hwy).

Regenerative brakes improve the A8’s fuel efficiency by converting inertia back into energy instead of wasting it. The G90 doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the A8’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 G90 doesn’t offer an automatic engine start/stop system.

Brakes and Stopping

For better stopping power the A8’s brake rotors are larger than those on the G90:

 

A8

G90

Front Rotors

14.8 inches

14.2 inches

Rear Rotors

13.8 inches

13.4 inches

Tires and Wheels

For better traction, the A8 has larger standard tires than the G90 (255/45R19 vs. 245/45R19). The A8’s optional tires are larger than the largest tires available on the G90 (265/40R20 vs. 245/45R19).

The A8’s optional tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the G90’s 45 series front tires.

For better ride, handling and brake cooling the A8 offers optional 20-inch wheels. The G90’s largest wheels are only 19-inches.

Suspension and Handling

The front and rear suspension of the A8 uses air springs for a smoother, controlled ride than the G90, 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. Genesis doesn’t offer an active suspension on the G90.

The A8 has a standard automatic front and rear load leveling suspension to keep ride height level with a heavy load or when towing. The A8’s height leveling suspension allows the driver to raise ride height for better off-road clearance and then lower it again for easier entering and exiting and better on-road handling. The G90 doesn’t offer a load leveling suspension.

Passenger Space

The A8 has .5 inches more rear headroom and 6.5 inches more rear legroom than the G90.

Ergonomics

If the windows are left open on the A8 the driver can close them all at the outside door handle or from a distance using the remote. On a hot day the driver can lower the windows from a distance using the keyless remote. The driver of the G90 can only operate the windows from inside the vehicle, with the ignition on.

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The A8 has standard headlight washers to keep headlight output high. The G90 doesn’t offer headlight washers.

The A8 offers an optional 115-volt a/c outlet on the center console, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The G90 doesn’t offer a house-current electrical outlet.

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

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