Compare the2025 GMC Hummer EV SUVVS 2024 Cadillac Lyriq

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 Lyriq.

The Hummer EV SUV’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 Lyriq doesn’t offer a driver alert monitor.

Both the Hummer EV SUV and the Lyriq 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 and rear cross-path warning.

The GMC Hummer EV SUV weighs 3090 to 3343 pounds more than the Cadillac Lyriq. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.

There are almost 3 times as many GMC dealers as there are Cadillac dealers, which makes it much easier should you ever need service under the Hummer EV SUV’s warranty.

J.D. Power and Associates’ 2024 Initial Quality Study of new car owners surveyed provide the statistics that show that GMC vehicles are better in initial quality than Cadillac vehicles. With 13 fewer problems per 100 vehicles, JD Power ranks GMC higher than Cadillac.

The Hummer EV SUV has more powerful engines than the Lyriq:

As tested in Car and Driver the Hummer EV SUV 3X is faster than the Cadillac Lyriq electric motors:

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

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

For better traction, the Hummer EV SUV has larger tires than the Lyriq (305/55R22 vs. 265/50R20). The Hummer EV SUV’s tires are larger than the largest tires available on the Lyriq (305/55R22 vs. 275/40R22).

The GMC Hummer EV SUV’s wheels have 8 lugs for longer wheel bearing life, less chance of rotor warping and greater strength. The Cadillac Lyriq only has 6 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 Lyriq; 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 Lyriq, 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 Lyriq’s suspension doesn’t offer adjustable shock absorbers.

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 Lyriq doesn’t offer a load leveling suspension.

For a smoother ride and more stable handling, the Hummer EV SUV’s wheelbase is 4.9 inches longer than on the Lyriq (126.7 inches vs. 121.8 inches).

For better handling and stability, the track (width between the wheels) on the Hummer EV SUV is 7.5 inches wider in the front and 7.5 inches wider in the rear than on the Lyriq.

For better maneuverability, the Hummer EV SUV’s turning circle is 4.3 feet tighter than the Lyriq’s (35.4 feet vs. 39.7 feet).

For greater off-road capability the Hummer EV SUV has a 9 inches greater minimum ground clearance than the Lyriq (16 vs. 7 inches), allowing the Hummer EV SUV to travel over rougher terrain without being stopped or damaged.

The Hummer EV SUV has 3.9 inches more front headroom, 1.3 inches more front legroom, 4 inches more front hip room, 5 inches more front shoulder room, .7 inches more rear headroom, 6.2 inches more rear hip room and 5.4 inches more rear shoulder room than the Lyriq.

The Hummer EV SUV has a much larger cargo volume with its rear seat up than the Lyriq with its rear seat up (35.9 vs. 28 cubic feet). The Hummer EV SUV has a much larger cargo volume with its rear seat folded than the Lyriq with its rear seat folded (81.8 vs. 60.8 cubic feet).

A standard locking glovebox keeps your small valuables safer in the Hummer EV SUV. The Lyriq 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 Lyriq’s rear cargo window doesn’t open.

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

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 Lyriq’s standard intermittent wipers change speed with vehicle speed, but can’t turn on and off or change speed based on changing rainfall.

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 Lyriq Luxury/Sport.