Compare the2025 Porsche Macan ElectricVS 2025 GMC Hummer EV SUV

For enhanced safety, the front and rear seat shoulder belts of the Porsche Macan Electric have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision and force limiters to limit the pressure the belts will exert on the passengers. The GMC Hummer EV SUV doesn’t offer pretensioners for its rear seat belts.

The Porsche Macan Electric has standard driver and front passenger side knee airbags mounted low on the dashboard. These airbags helps prevent the driver and front passenger from sliding under their seatbelts or the main frontal airbags; this keeps them better positioned during a collision for maximum protection. Knee airbags also help keep the legs from striking the dashboard, preventing knee and leg injuries in the case of a serious frontal collision. The Hummer EV SUV doesn’t offer knee airbags.

The Macan Electric has standard front and rear seat side-impact airbags and head airbags, which act as a forgiving barrier between the passengers and the door. Combined with high-strength steel door beams this system increases protection from broadside collisions. The Hummer EV SUV doesn't offer rear-seat side-impact airbags, only ones for front seat occupants.

Both the Macan Electric and Hummer EV SUV have Rear Cross Traffic Alert, but the Macan Electric has automatic rear cross-traffic braking (automatically applies the brakes) to better prevent a collision when backing near traffic. The Hummer EV SUV’s Rear Cross Traffic Alert doesn’t automatically brake.

Both the Macan Electric and the Hummer EV SUV have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, 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, driver alert monitors and available around view monitors.

The Macan Electric comes with a full 4-year/50,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The Hummer EV SUV’s 3-year/36,000-mile basic warranty expires 1 year or 14,000 miles sooner.

The Macan Electric’s corrosion warranty is 6 years and unlimited miles longer than the Hummer EV SUV’s (12/unlimited vs. 6/100,000).

J.D. Power and Associates’ 2024 Initial Quality Study of new car owners surveyed provide the statistics that show that Porsche vehicles are better in initial quality than GMC vehicles. J.D. Power ranks Porsche above average in initial quality. With 29 more problems per 100 vehicles, GMC is rated below average.

J.D. Power and Associates’ 2024 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Porsche vehicles are more reliable than GMC vehicles. J.D. Power ranks Porsche above average in long-term dependability. With 15 more problems per 100 vehicles in the first three years of ownership, GMC is rated below average.

From surveys of all its subscribers, Consumer Reports’ January 2024 Auto Issue reports that Porsche vehicles are more reliable than GMC vehicles. Consumer Reports ranks Porsche 16 places higher in reliability than GMC.

On the EPA test cycle the Macan Electric gets better mileage than the Hummer EV SUV:

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

For better stopping power the Macan Turbo Electric’s front brake rotors are larger than those on the Hummer EV SUV:

The Macan Electric’s standard 235/55R20 front and 285/45R20 rear tires provide better handling because they have a lower 55 series front and 45 series rear profile (height to width ratio) that provides a stiffer sidewall than the Hummer EV SUV’s 70 series tires. The Macan Electric’s optional 255/40R22 front and 295/35R22 rear tires have a lower 40 series front and 35 series rear profile than the Hummer EV SUV’s 55 series tires.

For better ride, handling and brake cooling the Macan Electric has standard 20-inch wheels. Smaller 18-inch wheels are standard on the Hummer EV SUV.

The Porsche Macan Electric may be more efficient, handle and accelerate better because it weighs about 3500 to 3650 pounds less than the GMC Hummer EV SUV.

The Macan Electric is 1 foot, 6.4 inches shorter than the Hummer EV SUV, making the Macan Electric easier to handle, maneuver and park in tight spaces.

The Macan Electric is 10.2 inches narrower than the Hummer EV SUV, making the Macan Electric easier to handle and maneuver in traffic.

The Macan Electric is 13.9 inches shorter in height than the Hummer EV SUV, making the Macan Electric much easier to wash and garage and drive (lower center of gravity).

The Macan Electric’s liftgate lifts up in one piece, completely out of the way of loading and unloading, while sheltering the cargo loading area. The Hummer EV SUV’s swing out door blocks loading from the passenger’s side.

J.D. Power and Associates surveys of service recipients show that Porsche service is better than GMC. J.D. Power ranks Porsche second in service department satisfaction. With a 42% lower rating, GMC is ranked 20th.

Unlike the driver-only memory system in the Hummer EV SUV, the Macan Electric offers an optional driver and passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.

The Macan Electric offers an optional heads-up display that projects speed, navigation instruction and driver assistance information readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Hummer EV SUV doesn’t offer a heads-up display.

The Macan Electric’s front and rear power windows all open or close 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 Hummer EV SUV’s power windows’ switches have to be held the entire time to close them fully.

Heated windshield washer nozzles are standard on the Macan Electric to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The Hummer EV SUV doesn’t offer heated windshield washer nozzles.

To improve rear visibility by keeping the rear window clear, the Macan Electric offers an optional rear wiper. The Hummer EV SUV doesn’t offer a rear wiper.

To help drivers avoid possible obstacles, the Macan Electric has standard cornering lights to illuminate around corners when the turn signals are activated. The Hummer EV SUV doesn’t offer cornering lights. The Macan Electric also offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle.

Manual rear side window sunshades are available in the Macan Electric to help block heat and glare for the rear passengers. The Hummer EV SUV doesn’t offer rear side window sunshades.

The Macan Electric offers optional massaging front seats in order to maximize comfort and eliminate fatigue on long trips. Massaging seats aren’t available in the Hummer EV SUV.

The Macan Electric is available in both rear-wheel drive and four-wheel drive configurations. The Hummer EV SUV doesn’t offer a two-wheel drive configuration.

The Porsche Macan Electric outsold the GMC Hummer EV by 81% during 2024.