Compare the2025 GMC Hummer EV SUVVS 2024 Audi Q4 e-tron Sportback

In the past twenty years hundreds of infants and young children have died after being left in vehicles, usually by accident. When turning the vehicle off, drivers of the Hummer EV SUV are reminded to check the back seat if they opened the rear door before starting out. The Q4 e-tron Sportback doesn’t offer a back seat reminder.

Over 200 people are killed each year when backed over by motor vehicles. The Hummer EV SUV has standard Reverse Automatic Braking that uses rear sensors to monitor for objects to the rear and automatically applies the brakes to prevent a collision. The Q4 e-tron Sportback doesn’t offer automatic braking for stationary objects directly to the rear.

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 Q4 e-tron Sportback doesn’t offer a driver alert monitor.

Both the Hummer EV SUV and the Q4 e-tron Sportback 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, all wheel drive, 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 4050 to 4226 pounds more than the Audi Q4 e-tron Sportback. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.

GMC’s powertrain warranty covers the Hummer EV SUV 1 year and 10,000 miles longer than Audi covers the Q4 e-tron Sportback. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 5 years or 60,000 miles. Coverage on the Q4 e-tron Sportback ends after only 4 years or 50,000 miles.

There are over 5 times as many GMC dealers as there are Audi 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 Audi vehicles. With 41 fewer problems per 100 vehicles, JD Power ranks GMC higher than Audi.

J.D. Power and Associates’ 2024 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that GMC vehicles are more reliable than Audi With 69 fewer problems per 100 vehicles in the first three years of ownership, J.D. Power ranks GMC higher than Audi.

The Hummer EV SUV has more powerful engines than the Q4 e-tron Sportback:

As tested in Car and Driver the Hummer EV SUV 3X is faster than the Q4 55 e-tron Sportback:

The Hummer EV SUV can travel longer on a full charge than the Q4 e-tron Sportback on a full charge:

The GMC Hummer EV SUV has standard four-wheel disc brakes for better stopping power and improved directional control in poor weather. Only rear drums come on the Q4 e-tron Sportback. Drums can heat up and make stops longer, especially with antilock brakes that work much harder than conventional brakes.

For better traction, the Hummer EV SUV has larger tires than the Q4 e-tron Sportback (305/55R22 vs. 235/50R20).

For better ride, handling and brake cooling the Hummer EV SUV has standard 22-inch wheels. The Q4 e-tron Sportback’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 Audi Q4 e-tron Sportback 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 Q4 e-tron Sportback; 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 Q4 e-tron Sportback, 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 Q4 e-tron Sportback’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 Q4 e-tron Sportback doesn’t offer a load leveling suspension.

For a smoother ride and more stable handling, the Hummer EV SUV’s wheelbase is 18 inches longer than on the Q4 e-tron Sportback (126.7 inches vs. 108.7 inches).

For better handling and stability, the track (width between the wheels) on the Hummer EV SUV is 11.1 inches wider in the front and 11.9 inches wider in the rear than on the Q4 e-tron Sportback.

For better maneuverability, the Hummer EV SUV’s turning circle is 2.3 feet tighter than the Q4 e-tron Sportback’s (35.4 feet vs. 37.7 feet).

For greater off-road capability the Hummer EV SUV has a 10.2 inches greater minimum ground clearance than the Q4 e-tron Sportback (16 vs. 5.8 inches), allowing the Hummer EV SUV to travel over rougher terrain without being stopped or damaged.

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 Q4 e-tron Sportback doesn’t offer active grille shutters.

The Hummer EV SUV has 4 inches more front headroom, 4.4 inches more front legroom, 7.2 inches more front shoulder room, 1.4 inches more rear headroom, 1.8 inches more rear legroom and 8.9 inches more rear shoulder room than the Q4 e-tron Sportback.

For enhanced passenger comfort on long trips the Hummer EV SUV’s rear seats recline. The Q4 e-tron Sportback’s rear seats don’t recline.

The Hummer EV SUV has a much larger cargo volume with its rear seat up than the Q4 e-tron Sportback with its rear seat up (35.9 vs. 26.1 cubic feet). The Hummer EV SUV has a much larger cargo volume with its rear seat folded than the Q4 e-tron Sportback with its rear seat folded (81.8 vs. 54.4 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 Q4 e-tron Sportback’s rear cargo window doesn’t open.

The Hummer EV SUV’s standard towing capacity is much higher than the Q4 e-tron Sportback’s (10,000 vs. 2650 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 Q4 e-tron Sportback doesn’t offer electronic trailer sway control.

The Hummer EV SUV uses gas struts to support the hood for easier service access. The Q4 e-tron Sportback uses a prop rod to support its heavy hood. It takes two hands to open the hood and set the prop rod, the prop rod gets in the way during maintenance and service, and the prop rod could be knocked out, causing the heavy hood to fall on the person maintaining or servicing the car.

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. Keyless Start standard on the Q4 e-tron Sportback only offers hands-free access for the ignition, none to unlock the vehicle.

Both the Hummer EV SUV and the Q4 e-tron Sportback 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 Q4 e-tron Sportback.

Standard air-conditioned seats in the Hummer EV SUV keep the driver and front passenger comfortable and take the sting out of hot seats in Summer. The Q4 e-tron Sportback doesn’t offer air-conditioned seats.

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. Audi charges extra for Homelink® on the Q4 e-tron Sportback.

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 Q4 e-tron Sportback.

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 Q4 e-tron Sportback doesn’t offer a house-current electrical outlet.

The Hummer EV SUV’s Enhanced Automatic Parking Assist can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. The Q4 e-tron Sportback Premium Plus/Prestige’s automatic parking system requires operating the brakes and transmission to safely park.