Compare the2025 GMC Hummer EV SUVVS 2024 Lexus RX

Both the Hummer EV SUV and RX have child safety locks to prevent children from opening the rear doors. The Hummer EV SUV 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 RX’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.

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 RX.

Both the Hummer EV SUV and the RX 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 4100 to 4745 pounds more than the Lexus RX. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.

There are almost 7 times as many GMC dealers as there are Lexus 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 RX:

As tested in Car and Driver the Hummer EV SUV 3X is faster than the Lexus RX:

On the EPA test cycle the Hummer EV SUV gets better mileage than the RX running its gasoline engine:

The Hummer EV SUV can travel with zero emissions on a full charge for 282 to 315 miles, up to 10% further than the RX 450h+‘s -mile range on a full charge and a full tank of fuel. The RX 450h+ has to start its internal combustion engine after only 37 miles.

Regardless of its engine, regenerative brakes improve the Hummer EV SUV’s fuel efficiency by converting inertia back into energy instead of wasting it. Lexus only offers a regenerative brake system on the RX 350h/500h/450+.

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the GMC Hummer EV SUV higher (10 out of 10) than the Lexus RX (7). This means the Hummer EV SUV produces up to 11.8 pounds less smog-producing pollutants than the RX every 15,000 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 RX doesn’t offer launch control.

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

For better traction, the Hummer EV SUV has larger tires than the RX (305/55R22 vs. 235/60R19).

For better ride, handling and brake cooling the Hummer EV SUV has standard 22-inch wheels. The RX’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 Lexus RX 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 RX; it requires you to depend on a temporary spare, which limits mileage and speed before replacement.

The front and rear suspension of the Hummer EV SUV uses air springs for a smoother, controlled ride than the RX, 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 RX doesn’t offer a load leveling suspension.

For a smoother ride and more stable handling, the Hummer EV SUV’s wheelbase is 14.5 inches longer than on the RX (126.7 inches vs. 112.2 inches).

For better handling and stability, the track (width between the wheels) on the Hummer EV SUV is 8.2 inches wider in the front and 6.9 inches wider in the rear than on the RX.

For greater off-road capability the Hummer EV SUV has a 7.9 inches greater minimum ground clearance than the RX 350 (16 vs. 8.1 inches), allowing the Hummer EV SUV to travel over rougher terrain without being stopped or damaged. The Hummer EV SUV’s minimum ground clearance is 7.8 inches higher than on the RX 350h (16 vs. 8.2 inches).

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

The Hummer EV SUV has 3 inches more front headroom, 4.5 inches more front legroom, 3.8 inches more front hip room, 5.8 inches more front shoulder room, 1.6 inches more rear legroom, 4.2 inches more rear hip room and 7.5 inches more rear shoulder room than the RX.

The Hummer EV SUV has a much larger cargo volume with its rear seat up than the RX with its rear seat up (35.9 vs. 29.6 cubic feet). The Hummer EV SUV has a much larger cargo volume with its rear seat folded than the RX with its rear seat folded (81.8 vs. 46.2 cubic feet).

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 RX’s rear cargo window doesn’t open.

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

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 costs extra on the RX.

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. Wireless charging costs extra on the RX.