Compare the2026 Hyundai Ioniq 9VS 2025 Lexus TX

Both the Ioniq 9 and TX have child safety locks to prevent children from opening the rear doors. The Ioniq 9 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 TX’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 Ioniq 9 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 TX doesn’t offer front seat center airbags.

The Hyundai Ioniq 9 comes with a standard Surround View Monitor, while the Lexus TX doesn’t offer a camera washer, requiring manual cleaning.

Both the Ioniq 9 and the TX have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front and rear 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, lane departure warning systems, blind spot warning systems, rearview cameras, rear cross-path warning, driver alert monitors and available around view monitors.

The Ioniq 9 comes with a full 5-year/60,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The TX’s 4-year/50,000-mile basic warranty expires 1 year or 10,000 miles sooner.

Hyundai’s powertrain warranty covers the Ioniq 9 4 years and 30,000 miles longer than Lexus covers the TX. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 10 years or 100,000 miles. Coverage on the TX ends after only 6 years or 70,000 miles.

The Ioniq 9’s corrosion warranty is 1 year longer than the TX’s (7 vs. 6 years).

Hyundai pays for scheduled maintenance on the Ioniq 9 for 2 years and 26000 miles longer than Lexus pays for maintenance for the TX (3/36,000 vs. 1/10,000).

There are over 3 times as many Hyundai dealers as there are Lexus dealers, which makes it much easier should you ever need service under the Ioniq 9’s warranty.

J.D. Power and Associates’ 2024 Initial Quality Study of new car owners surveyed provide the statistics that show that Hyundai vehicles are better in initial quality than Lexus vehicles. J.D. Power ranks Hyundai third in initial quality, above the industry average. With 12 more problems per 100 vehicles, Lexus is ranked 8th.

The Ioniq 9 has more powerful engines than the TX:

On the EPA test cycle the Ioniq 9 gets better mileage than the TX running on electricity:

On the EPA test cycle the Ioniq 9 gets better mileage than the TX running its gasoline engine:

The Ioniq 9 can travel with zero emissions on a full charge for 311 to 335 miles. The TX 550h+ CVT has to start its internal combustion engine after only 33 miles.

Regardless of its engine, regenerative brakes improve the Ioniq 9’s fuel efficiency by converting inertia back into energy instead of wasting it. Lexus only offers a regenerative brake system on the TX 500h/550h+.

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Hyundai Ioniq 9 higher (10 out of 10) than the Lexus TX (6). This means the Ioniq 9 produces up to 12.9 pounds less smog-producing pollutants than the TX every 15,000 miles.

For better stopping power the Ioniq 9’s standard brake rotors are larger than those on the TX:

For better traction, the Ioniq 9 Limited/Calligraphy’s tires are larger than the largest tires available on the TX (285/45R21 vs. 255/55R20).

The Ioniq 9 has a standard automatic rear load leveling suspension to keep ride height level with a heavy load or when towing. The TX doesn’t offer a load leveling suspension.

The Ioniq 9’s drift compensation steering can automatically compensate for road conditions which would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The TX doesn’t offer drift compensation steering.

For a smoother ride and more stable handling, the Ioniq 9’s wheelbase is 7.1 inches longer than on the TX (123.2 inches vs. 116.1 inches).

The Ioniq 9 is 3.9 inches shorter than the TX, making the Ioniq 9 easier to handle, maneuver and park in tight spaces.

The design of the Hyundai Ioniq 9 amounts to more than styling. The Ioniq 9 has an aerodynamic coefficient of drag of .269 Cd. That is significantly lower than the TX (.34 to .35) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the Ioniq 9 get better fuel mileage.

The front grille of the Ioniq 9 uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The TX doesn’t offer active grille shutters.

The Ioniq 9 has 10.5 cubic feet more passenger volume than the TX (163.5 vs. 153).

The Ioniq 9 has .1 inches more front headroom, 2.3 inches more front hip room, 1.4 inches more front shoulder room, .9 inches more rear headroom, 3.3 inches more rear legroom, .9 inches more rear hip room, 2 inches more rear shoulder room and 2.5 inches more third row headroom than the TX.

The Ioniq 9’s cargo area provides more volume than the TX.

The Ioniq 9’s rear cargo window opens separately from the rest of the liftgate door to allow quicker loading of small packages. The TX’s rear cargo window doesn’t open.

The Ioniq 9 Calligraphy has standard massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the TX.