Compare the2024 Kia Sorento HybridVS 2024 Infiniti QX55

Both the Sorento Hybrid and QX55 have child safety locks to prevent children from opening the rear doors. The Sorento Hybrid 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 QX55’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.

When descending a steep, off-road slope, the Sorento Hybrid’s standard Downhill Brake Control allows you to creep down safely. The QX55 doesn’t offer Downhill Brake Control.

Both the Sorento Hybrid and QX55 have rear cross-traffic warning, but the Sorento Hybrid has Rear Cross-Traffic Collision-Avoidance Assist (automatically applies the brakes) to better prevent a collision when backing near traffic. The QX55’s Rear Cross Traffic Alert doesn’t automatically brake.

The Sorento Hybrid’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 QX55 doesn’t offer a driver alert monitor.

Both the Sorento Hybrid and the QX55 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, plastic fuel tanks, 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, rearview cameras, rear cross-path warning, available all wheel drive and around view monitors.

The National Highway Traffic Safety Administration does 35 MPH front crash tests on new vehicles. In this test, results indicate that the Kia Sorento Hybrid is safer than the Infiniti QX55:

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

For its top level performance in IIHS driver and passenger-side small overlap frontal, moderate overlap frontal, side impact, roof strength and head restraint tests, its standard vehicle-to-vehicle front crash prevention system, its standard vehicle-to-pedestrian front crash prevention system, and its available headlight’s “Good” rating, the Insurance Institute for Highway Safety grants the Sorento Hybrid the rating of “Top Safety Pick” for 2022, a rating granted to only 165 vehicles tested by the IIHS. The QX55 has not been fully tested, yet.

The Sorento Hybrid comes with a full 5-year/60,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The QX55’s 4-year/60,000-mile basic warranty expires 1 year sooner.

Kia’s powertrain warranty covers the Sorento Hybrid 4 years and 30,000 miles longer than Infiniti covers the QX55. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 10 years or 100,000 miles. Coverage on the QX55 ends after only 6 years or 70,000 miles.

There are almost 4 times as many Kia dealers as there are Infiniti dealers, which makes it much easier should you ever need service under the Sorento Hybrid’s warranty.

J.D. Power and Associates’ 2023 Initial Quality Study of new car owners surveyed provide the statistics that show that Kia vehicles are better in initial quality than Infiniti vehicles. J.D. Power ranks Kia above average in initial quality. With 42 more problems per 100 vehicles, Infiniti is rated below average.

J.D. Power and Associates’ 2022 survey of the owners of three-year-old vehicles provides the statistics that show that Kia vehicles are more reliable than Infiniti vehicles. J.D. Power ranks Kia first in reliability, above the industry average. With 83 more problems per 100 vehicles, Infiniti is ranked 23rd.

From surveys of all its subscribers, Consumer Reports’ January 2024 Auto Issue reports that Kia vehicles are more reliable than Infiniti vehicles. Consumer Reports ranks Kia 3 places higher in reliability than Infiniti.

On the EPA test cycle the Sorento Hybrid gets better mileage than the QX55:

Regenerative brakes improve the Sorento Hybrid’s fuel efficiency by converting inertia back into energy instead of wasting it. The QX55 doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the Sorento Hybrid’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. The QX55 doesn’t offer an automatic engine start/stop system.

To lower fuel costs and make buying fuel easier, the Kia Sorento Hybrid uses regular unleaded gasoline. The QX55 requires premium, which can cost on average about 82.8 cents more per gallon.

The Sorento Hybrid has 1.7 gallons more fuel capacity than the QX55 (17.7 vs. 16 gallons), for longer range between fill-ups.

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Kia Sorento Hybrid higher (7 out of 10) than the Infiniti QX55 (6). This means the Sorento Hybrid produces up to 1.1 pounds less smog-producing pollutants than the QX55 every 15,000 miles.

The Sorento Hybrid 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 QX55; 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.

For better handling and stability, the average track (width between the wheels) on the Sorento Hybrid is .3 inches wider in the front and 1.2 inches wider in the rear than the track on the QX55.

The Sorento Hybrid has standard seating for 6 passengers; the QX55 can only carry 5.

The Sorento Hybrid has 5.1 cubic feet more passenger volume than the QX55 (105.3 vs. 100.2).

The Sorento Hybrid has .4 inches more front headroom, 1.8 inches more front legroom, 1.2 inches more front shoulder room, 2.2 inches more rear headroom, 2 inches more rear legroom, 1.3 inches more rear hip room and 1 inch more rear shoulder room than the QX55.

The Sorento Hybrid’s cargo area provides more volume than the QX55.

The Sorento Hybrid has a 2000 lbs. towing capacity. The QX55 has no towing capacity.

Standard Trailer Stability Assist on the Sorento Hybrid uses the Electronic Stability Control sensors to detect trailer sway, then uses individual brakes to counteract any swaying and help keep the tow vehicle and trailer steady. The QX55 doesn’t offer electronic trailer sway control.

The power windows standard on both the Sorento Hybrid and the QX55 have locks to prevent small children from operating them. When the lock on the Sorento Hybrid is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The QX55 prevents the driver from operating the other windows just as it does the other passengers.

Manual rear side window sunshades are available in the Sorento Hybrid to help block heat and glare for the rear passengers. The QX55 doesn’t offer rear side window sunshades.

The Sorento Hybrid SX Prestige has a 115-volt a/c outlet in the cargo area, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The QX55 doesn’t offer a house-current electrical outlet.

The Sorento Hybrid is available in both front-wheel drive and four-wheel drive configurations. The QX55 doesn’t offer a two-wheel drive configuration.

Consumer Reports® recommends the Kia Sorento Hybrid, based on reliability, safety and performance.

The Kia Sorento outsold the Infiniti QX55 by over 16 to one during 2023.