2019 Genesis G90 vs. 2019 Kia K900

Detailed Review, Specifications & Comparison

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For enhanced safety, the front and rear seat shoulder belts of the Genesis G90 have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision and force limiters to limit the pressure the belts will exert on the passengers. The Kia K900 doesn’t offer pretensioners for the rear seat belts.

To help make backing safer, the G90’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 K900 doesn’t offer a cross-path warning system.

The G90 has standard Connected Care, which uses a global positioning satellite (GPS) receiver and a cellular system to get turn-by-turn driving directions, remotely unlock your doors if you lock your keys in, help track down your vehicle if it’s stolen or send emergency personnel to the scene if any airbags deploy. The K900 doesn’t offer a GPS response system, only a navigation computer with no live response for emergencies, so if you’re involved in an accident and you’re incapacitated help may not come as quickly.

Both the G90 and the K900 have standard driver and passenger frontal airbags, front and rear side-impact airbags, driver knee airbags, side-impact head airbags, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, blind spot warning systems, around view monitors, driver alert monitors and available all wheel drive.

For its top level performance in IIHS driver-side small overlap frontal, moderate overlap frontal, side impact, rear impact and roof-crush tests, its standard front crash prevention system, its “Good” rating in the new passenger-side small overlap crash test, and its headlight’s “Good” rating, the Insurance Institute for Highway Safety grants the G90 its highest rating: “Top Pick Plus” for 2018, a rating granted to only 28 vehicles tested by the IIHS. The K900 has not been tested, yet.


The G90’s corrosion warranty is 2 years and unlimited miles longer than the K900’s (7/unlimited vs. 5/100,000).

Genesis pays for scheduled maintenance on the G90 for 3 years and 36,000 miles. Genesis will pay for oil changes, lubrication and any other required maintenance. Kia doesn’t pay scheduled maintenance for the K900.


J.D. Power and Associates rated the G90 first among large premium cars in their 2018 Initial Quality Study. The K900 isn’t in the top three in its category.

J.D. Power and Associates’ 2018 Initial Quality Study of new car owners surveyed provide the statistics that show that Genesis vehicles are better in initial quality than Kia vehicles. J.D. Power ranks Genesis first in initial quality, above the industry average. With 4 more problems per 100 vehicles, Kia is ranked second.


The G90 5.0’s standard 5.0 DOHC V8 produces 55 more horsepower (420 vs. 365) and 7 lbs.-ft. more torque (383 vs. 376) than the K900’s 3.3 turbo V6.

Brakes and Stopping

For better stopping power the G90 5.0’s brake rotors are larger than those on the K900:


G90 5.0


Front Rotors

14.8 inches

14.2 inches

The G90’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs standard on the K900 are solid, not vented.

Suspension and Handling

For a smoother ride and more stable handling, the G90’s wheelbase is 2.2 inches longer than on the K900 (124.4 inches vs. 122.2 inches).

Passenger Space

The G90 has 3.2 cubic feet more passenger volume than the K900 (113.2 vs. 110).

The G90 has .6 inches more front legroom, .1 inches more front shoulder room, 1.2 inches more rear legroom and .7 inches more rear shoulder room than the K900.

Cargo Capacity

The G90 has a larger trunk than the K900 (15.7 vs. 15 cubic feet).

Model Availability

The G90 is available in both rear-wheel drive and all-wheel drive configurations. The K900 doesn’t offer a two-wheel drive configuration.


Consumer Reports® recommends the Genesis G90, based on reliability, safety and performance.

The Genesis G90 outsold the Kia K900 by almost 9 to one during the 2018 model year.

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

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