Compare the2026 GMC Hummer EV SUVVS 2026 Hyundai Ioniq 9

To provide maximum traction and stability on all roads, Full-Time Four-Wheel Drive is standard on the Hummer EV SUV. But it costs extra on the Ioniq 9.

The GMC Hummer EV SUV’s Surround Vision is equipped with washers for its front and rear cameras, ensuring crystal-clear visibility in any weather condition. Conversely, the Hyundai Ioniq 9 only offers a rear camera washer, which may not provide the same level of all-weather performance.

Both the Hummer EV SUV and the Ioniq 9 have standard driver and passenger frontal airbags, front side-impact 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, lane departure warning systems, blind spot warning systems, rearview cameras, rear cross-path warning and driver alert monitors.

The GMC Hummer EV SUV weighs 2665 to 3393 pounds more than the Hyundai Ioniq 9. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.

There are almost 2 times as many GMC dealers as there are Hyundai dealers, which makes it much easier should you ever need service under the Hummer EV SUV’s warranty.

J.D. Power and Associates’ 2025 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that GMC vehicles are more reliable than Hyundai vehicles. J.D. Power ranks GMC above average in long-term dependability. With 21 more problems per 100 vehicles in the first three years of ownership, Hyundai is rated below average.

The Hummer EV SUV has more powerful engines than the Ioniq 9:

As tested in Motor Trend the Hummer EV SUV 2X is faster than the Ioniq 9 S electric motor:

The Hummer EV SUV 2X with its standard motors can travel longer on a full charge than the Ioniq 9 Limited/Calligraphy (319 miles vs. 311 miles).

The Hummer EV SUV’s optional launch control uses engine electronics to hold engine RPM’s precisely in order to provide the most stable and rapid acceleration possible, using all of the available traction. The Ioniq 9 doesn’t offer launch control.

For better traction, the Hummer EV SUV has larger tires than the Ioniq 9 (305/55R22 vs. 255/60R19). The Hummer EV SUV’s tires are larger than the largest tires available on the Ioniq 9 (305/55R22 vs. 285/45R21).

For better ride, handling and brake cooling the Hummer EV SUV has standard 22-inch wheels. The Ioniq 9’s largest wheels are only 21-inches.

The GMC Hummer EV SUV’s wheels have 8 lugs for longer wheel bearing life, less chance of rotor warping and greater strength. The Hyundai Ioniq 9 only has 5 wheel lugs per wheel.

The Hummer EV SUV has a standard full size spare tire so a flat doesn’t interrupt your trip. A full size spare isn’t available on the Ioniq 9; it requires you to depend on roadside assistance and your vehicle will have to be towed.

The front and rear suspension of the Hummer EV SUV uses air springs for a smoother, controlled ride than the Ioniq 9, which uses coil springs. Air springs maintain proper ride height and ride more smoothly.

The Hummer EV SUV has a standard driver-adjustable suspension system. It allows the driver to choose between an extra-supple ride, reducing fatigue on long trips, or a sport setting, which allows maximum control for tricky roads or off-road. The Ioniq 9’s suspension doesn’t offer adjustable shock absorbers.

For a smoother ride and more stable handling, the Hummer EV SUV’s wheelbase is 3.5 inches longer than on the Ioniq 9 (126.7 inches vs. 123.2 inches).

For better handling and stability, the track (width between the wheels) on the Hummer EV SUV is 6.6 inches wider in the front and 6.1 inches wider in the rear than the average track on the Ioniq 9.

For better maneuverability, the Hummer EV SUV’s turning circle is 5.6 feet tighter than the Ioniq 9’s (35.4 feet vs. 41 feet).

For greater off-road capability the Hummer EV SUV has a 9.1 inches greater minimum ground clearance than the Ioniq 9 (16 vs. 6.9 inches), allowing the Hummer EV SUV to travel over rougher terrain without being stopped or damaged.

The Hummer EV SUV has 1 inch more front headroom, 4.2 inches more front legroom, 1.7 inches more front hip room, 2.5 inches more front shoulder room, 2.5 inches more rear hip room and 3 inches more rear shoulder room than the Ioniq 9.

The Hummer EV SUV has a much larger cargo volume than the Ioniq 9 with its rear seat up (35.9 vs. 21.9 cubic feet).

A standard locking glovebox (which can’t be accessed with the valet key) keeps your small valuables safer in the Hummer EV SUV. The Ioniq 9 doesn’t offer locking storage for small valuables.

The Hummer EV SUV’s standard towing capacity is much higher than the Ioniq 9’s (10,000 vs. 3500 pounds).

The Hummer EV SUV’s front and rear power windows all lower with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside of the car. The Ioniq 9’s standard power windows’ rear power window switches have to be held the entire time to open them fully.

The Hummer EV SUV’s standard Keyless Open and Start allow you to unlock the doors from any outside door handle, open the cargo door, and start the vehicle, all without removing the key from the pocket or purse. Proximity Key standard on the Ioniq 9 doesn’t offer a sensor on the rear doors, so you’ll have to reach a front handle to unlock the rear door.

The Hummer EV SUV’s standard rear and side view mirrors have an automatic dimming feature. These mirrors can be set to automatically darken quickly when headlights shine on them, keeping following vehicles from blinding or distracting the driver. The Ioniq 9 offers an automatic rear view mirror, but its side mirrors don’t dim.

The GMC Hummer EV SUV has power folding mirrors that offer unparalleled convenience while maneuvering in tight places or parked. With the mirrors folded it’s easier to walk past and help prevent parking damage. The mirrors can be quickly unfolded when the driver is ready to leave. Power folding mirrors are only offered on the Ioniq 9 SEL/Limited/Calligraphy.

The Hummer EV SUV has a standard heated steering wheel to take the chill out of steering on extremely cold winter days before the vehicle heater warms up. A heated steering wheel is only available on the Ioniq 9 SEL/Limited/Calligraphy.

The GMC Hummer EV SUV has a standard Homelink wireless remote control system for garage door operation and device management, conveniently located on the driver’s visor. Homelink® eliminates the need for separate garage door openers and associated risks of losing, breaking, or having dead batteries. Homelink® is only available on the Ioniq 9 SEL/Limited/Calligraphy.

The GMC Hummer EV outsold the Hyundai Ioniq 9 by over three to one during 2025.