Compare the2025 GMC Hummer EV SUVVS 2024 Hyundai Ioniq 5

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 5.

Both the Hummer EV SUV and the Ioniq 5 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 4051 to 4877 pounds more than the Hyundai Ioniq 5. 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.

The Hummer EV SUV has more powerful engines than the Ioniq 5:

As tested in Car and Driver the Hummer EV SUV 3X is faster than the Hyundai Ioniq 5 electric motors:

The Hummer EV SUV can travel longer on a full charge than the Ioniq 5 on a full charge:

For better stopping power the Hummer EV SUV’s standard brake rotors are larger than those on the Ioniq 5:

The Hummer EV SUV’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 Ioniq 5 are solid, not vented.

For better traction, the Hummer EV SUV has larger tires than the Ioniq 5 (305/55R22 vs. 235/55R19). The Hummer EV SUV’s tires are larger than the largest tires available on the Ioniq 5 (305/55R22 vs. 275/35R21).

For better ride, handling and brake cooling the Hummer EV SUV has standard 22-inch wheels. The Ioniq 5’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 5 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 5; 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 5, which uses coil springs. Air springs maintain proper ride height and ride more smoothly.

The Hummer EV SUV has a standard automatic front and rear load leveling suspension to keep ride height level with a heavy load or when towing. The Hummer EV SUV’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 Ioniq 5 doesn’t offer a load leveling suspension.

For a smoother ride and more stable handling, the Hummer EV SUV’s wheelbase is 8.6 inches longer than on the Ioniq 5 (126.7 inches vs. 118.1 inches).

For better handling and stability, the track (width between the wheels) on the Hummer EV SUV is 8.6 inches wider in the front and 8.3 inches wider in the rear than the average track on the Ioniq 5.

For better maneuverability, the Hummer EV SUV’s turning circle is 3.9 feet tighter than the Ioniq 5’s (35.4 feet vs. 39.3 feet).

For greater off-road capability the Hummer EV SUV has a 9.9 inches greater minimum ground clearance than the Ioniq 5 (16 vs. 6.1 inches), allowing the Hummer EV SUV to travel over rougher terrain without being stopped or damaged.

The Hummer EV SUV has 2.7 inches more front headroom, 3.9 inches more front legroom, 6.6 inches more front hip room, 6.2 inches more front shoulder room, 6.6 inches more rear hip room and 6.3 inches more rear shoulder room than the Ioniq 5.

The Hummer EV SUV has a much larger cargo volume with its rear seat up than the Ioniq 5 with its rear seat up (35.9 vs. 27.2 cubic feet). The Hummer EV SUV has a much larger cargo volume with its rear seat folded than the Ioniq 5 with its rear seat folded (81.8 vs. 59.3 cubic feet).

Pressing a switch automatically lowers the Hummer EV SUV’s rear seats, to make changing between passengers and cargo easier. The Ioniq 5 doesn’t offer automatic folding seats.

A standard locking glovebox keeps your small valuables safer in the Hummer EV SUV. The Ioniq 5 doesn’t offer locking storage for small valuables.

The Hummer EV SUV’s rear cargo window opens separately from the rest of the right swing out door to allow quicker loading of small packages. The Ioniq 5’s rear cargo window doesn’t open.

The Hummer EV SUV’s standard towing capacity is much higher than the Ioniq 5’s (10,000 vs. 0 pounds).

Standard Trailer Sway Control on the Hummer EV SUV uses the StabiliTrak® sensors to detect trailer sway, then uses individual brakes to counteract any swaying and help keep the tow vehicle and trailer steady. The Ioniq 5 doesn’t offer electronic trailer sway control.

The Hummer EV SUV has a much higher standard payload capacity than the Ioniq 5 (1460 vs. 957 lbs.).

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 5’s standard power windows’ passenger windows don’t open automatically. The Ioniq 5 SEL/Limited’s rear power window switches have to be held the entire time to lower 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 5 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 rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The Ioniq 5’s standard manually variable intermittent wipers have to be constantly adjusted.

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 5 offers an automatic rear view mirror, but its side mirrors don’t dim.

Both the Hummer EV SUV and the Ioniq 5 have standard heated front seats. The Hummer EV SUV also has standard heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the Ioniq 5.

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 5 SEL/Limited.

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. Hyundai charges extra for Homelink® on the Ioniq 5.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the GMC Hummer EV SUV has a standard wireless phone charging system (Qi) in the center console. Only the Ioniq 5 SEL/Limited offers wireless charging.

The Hummer EV SUV has a 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 Ioniq 5 doesn’t offer a house-current electrical outlet.