Compare the2025 GMC Hummer EV SUVVS 2024 Porsche Taycan

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 Taycan 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 Taycan doesn’t offer backup collision prevention brakes.

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 Taycan.

The Hummer EV SUV has a standard blind spot warning system that uses sensors to alert the driver to objects in the vehicle’s blind spots where the side view mirrors don’t reveal them. A system to reveal vehicles in the Taycan’s blind spot costs extra.

To help make backing out of a parking space safer, the Hummer EV SUV’s standard Rear Cross Traffic Alert uses sensors in the rear to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. The Taycan doesn’t offer a rear cross-path warning system.

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 Taycan doesn’t offer a driver alert monitor.

Both the Hummer EV SUV and the Taycan 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 and rearview cameras.

The GMC Hummer EV SUV weighs 3701 to 4332 pounds more than the Porsche Taycan. 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 Porsche covers the Taycan. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 5 years or 60,000 miles. Coverage on the Taycan ends after only 4 years or 50,000 miles.

There are over 8 times as many GMC dealers as there are Porsche 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 Taycan:

As tested in Car and Driver the Hummer EV SUV 3X is faster than the Taycan 4S Performance Plus/Cross Turismo electric motors:

As tested in Car and Driver the Hummer EV SUV 3X is faster than the Taycan Performance Plus electric motor:

The Hummer EV SUV can travel longer on a full charge than the Taycan Cross Turismo on a full charge:

For better traction, the Hummer EV SUV has larger tires than the Taycan (305/55R22 vs. 225/55R19). The Hummer EV SUV’s tires are larger than the largest tires available on the Taycan (305/55R22 vs. 265/35R21).

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

For a smoother ride and more stable handling, the Hummer EV SUV’s wheelbase is 12.5 inches longer than on the Taycan (126.7 inches vs. 114.2 inches).

For better handling and stability, the track (width between the wheels) on the Hummer EV SUV is 6.3 inches wider in the front and 7.3 inches wider in the rear than the average track on the Taycan.

For better maneuverability, the Hummer EV SUV’s turning circle is 1.3 feet tighter than the Taycan w/Rear Axle Steering’s (35.4 feet vs. 36.7 feet). The Hummer EV SUV’s turning circle is 4 feet tighter than the Taycan Cross Turismo’s (35.4 feet vs. 39.4 feet).

For excellent aerodynamics, the Hummer EV SUV has standard flush composite headlights. The Taycan has recessed headlights that spoil its aerodynamic shape and create extra drag.

For enhanced passenger comfort on long trips the Hummer EV SUV’s rear seats recline. The Taycan’s rear seats don’t recline.

The Hummer EV SUV has a much larger cargo volume with its rear seat up than the Taycan Cross Turismo with its rear seat up (35.9 vs. 18.7 cubic feet). The Hummer EV SUV has a much larger cargo volume with its rear seat folded than the Taycan Cross Turismo with its rear seat folded (81.8 vs. 45.7 cubic feet).

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

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 Taycan doesn’t offer electronic trailer sway control.

The Hummer EV SUV has a higher standard payload capacity than the Taycan (1460 vs. 1331 lbs.).

On a hot day the Hummer EV SUV’s driver can lower all the windows from a distance using the keyless remote. The driver of the Taycan can only operate the windows from inside the vehicle, with the ignition on.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the Hummer EV SUV has standard extendable sun visors. The Taycan doesn’t offer extendable visors.

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 Taycan.

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 Taycan doesn’t offer a house-current electrical outlet.