All-electric pickup trucks like the GMC Hummer EV are designed to do all the usual pickup truck activities, including towing. The question is – how does towing affect an EV’s overall range?
To find out, Car and Driver recently hooked a 29-foot camper to the GMC Hummer EV, Ford F-150 Lightning, and Rivian R1T to see how many miles would be cut. Unsurprisingly, towing 6,100 pounds in an EV resulted in a significant decrease in predicted range.
In its testing, the publication hooked up the same 29-foot camper to all three vehicles, then ran the pickups on the same flat highway loop at 70 mph. The ambient temperature was 85 degrees, while the cabin climate control systems were set at 72 degrees.
According to Car and Driver, the GMC Hummer EV managed 140 miles with a full battery, well below the 329 miles estimated without towing. By contrast, the Ford Lightning and Rivian R1T fared considerably worse at 100 miles and 110 miles, respectively.
Much of the GMC Hummer EV’s greater towing range can be chalked up to its considerable 212.7-kWh battery capacity, as compared to the Ford Lightning’s 131-kWh battery capacity and the Rivian R1T’s 128.9-kWh battery capacity. The publication also points out that the Hummer’s broad front fascia and stance creates a bigger hole in the air to begin with, making the aero disadvantages of adding a large trailer slightly less pronounced compared to the more slippery Ford and Rivian.
Beyond this significant decrease in range, these trucks still offer some impressive towing advantages. For example, the GMC Hummer EV has a towing capacity of 7,500 pounds, while the all-electric powertrain offers prodigious torque and power that make merging a breeze. Meanwhile, the GMC Hummer EV’s 9,063-pound curb weight helps to keep everything stable on the road.
Notably, the GMC Hummer EV also includes an integrated trailer-brake controller and adaptive cruise control feature while towing, albeit without the hands-free GM Super Cruise system.