GMC Hummer EV SUV vs Porsche Cayenne Electric

Quick verdict

Buy the GMC Hummer EV SUV for the stronger all-round Decoder Score (63/100). Choose the Porsche Cayenne Electric if you road-trip and want faster charging.

Hummer EV SUV detailsCayenne Electric details
63
GMC Hummer EV SUV
EPA + mfr data
42
Decoder Score6342
Starting price$105,300$109,000
Used from
EPA range310 mi
Real-world range
Battery170 kWh113 kWh
Efficiency1.8 mi/kWh
DC fast charge300 kW400 kW
Level 2 charge19.2 kW11 kW
Seats55
Cargo81.8 cu ft27.6 cu ft
0–60 mph3.5s4.5s
Horsepower830 hp435 hp
DrivetrainAWDAWD
Towing7,500 lb7,716 lb
Battery warranty8 yr8 yr
Tax creditNoNo
Owner rating
Best forAdventure, Performance, LuxuryLuxury, Towing, Road Trip

Price

The GMC Hummer EV SUV starts lower at $105,300, versus $109,000 for the other. On the used market both have come down — check current listings before deciding.

Range

The GMC Hummer EV SUV leads on EPA range at 310 mi. In the real world both land around 82% of that in mixed driving — run your conditions through the range calculator.

Charging

The Porsche Cayenne Electric peaks higher at 400 kW, which shortens road-trip stops. Also check plug type: NACS access to the Supercharger network can matter more than a few kW.

Interior & practicality

The GMC Hummer EV SUV offers more cargo room (81.8 cu ft). Consider seating layout and rear space too, not just the headline number.

Performance

The GMC Hummer EV SUV is quicker to 60 mph (3.5s). Both feel brisk in everyday driving thanks to instant electric torque.

Family use

With 5 seats, the GMC Hummer EV SUV suits larger families better. Factor in car-seat access and cargo behind the third row if fitted.

Road trip use

Road trips reward range plus fast charging. The GMC Hummer EV SUV scores higher on our road-trip metric.

Used buyer notes

Both depreciate; that's the used buyer's opportunity. Check battery health, any open recalls, and that the charging port matches the network you'll use. See the used EV buying guide for a full checklist.

Which one should you buy?

GMC Hummer EV SUV, for most people.

Run the numbers for your own driving with the calculators, then compare more EVs in the same class.

Charging costCompare others