51 MPG combined is an astonishing figure for the 2024 GMC Hummer EV SUV 2M20, a vehicle that shatters perceptions of what electric SUVs are capable of. This isn’t your typical, lightweight EV designed solely for maximizing range; this is a supertruck in SUV form, boasting immense power, off-road prowess, and a curb weight that would make a small planet blush. The Hummer EV SUV buyer isn’t prioritizing ultimate efficiency in the way a Prius owner is. They’re drawn to its bold design, cutting-edge technology, and the sheer audacity of owning an electric vehicle that can conquer trails and turn heads while getting decent mileage.

City and highway performance

The Hummer EV SUV actually delivers better fuel economy in the city, achieving 56 MPG compared to 46 MPG on the highway. This seemingly paradoxical result stems from the regenerative braking system, which captures and reuses energy during frequent stop-and-go driving. In urban environments, the Hummer can recuperate a significant amount of energy that would otherwise be lost. On the highway, with less braking, the energy assist isn’t capturing energy. Aerodynamic drag becomes a more significant factor at higher speeds, impacting overall efficiency in a vehicle with the Hummer’s dimensions.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2024 GMC Hummer EV SUV 2M20 at $1,500. This figure is based on driving 15,000 miles per year with electricity costs averaging the national average. Of course, your actual fuel costs will vary based on your local electricity rates, driving habits, and how frequently you use public charging stations versus home charging. Someone charging primarily at home in a state with low electricity rates could see significantly lower costs, while those relying solely on fast-charging stations in more expensive areas might pay considerably more.

Real-world expectations

While the EPA estimates provide a useful baseline, it’s important to understand that real-world range and fuel economy can vary significantly. Factors like outside temperature, driving style, tire pressure, and the use of accessories (such as air conditioning or heating) all play a role. Aggressive acceleration, frequent off-roading, and hauling heavy loads can particularly impact efficiency. Remember to maximize the efficiency of your HUMMER MPG across all years by driving conservatively.

How it compares

Compared to other high-performance electric SUVs, the Hummer EV SUV holds its own. The Tesla Model X Long Range, for instance, achieves an EPA-estimated 102 MPGe combined. The Rivian R1S, another off-road-capable electric SUV, manages around 76 MPGe combined. The Mercedes-Benz EQS SUV comes in around 83 MPGe. The Hummer EV SUV’s numbers might seem lower when comparing it to vehicles with more sleek designs, but consider that these are designed for those looking for a pure family SUV. These vehicles have different missions and price points. Someone drawn to the Hummer’s unique styling and off-road capability may not be cross-shopping it against a more streamlined Tesla or Mercedes product.

Tips to maximize efficiency

Use regenerative braking modes. The Hummer EV SUV offers adjustable regenerative braking settings. Experiment with different levels to find the one that best suits your driving style and allows you to recapture the most energy. One-Pedal Driving will maximize regenerative braking and allow a driver to greatly extend their range.

Maintain proper tire pressure. Underinflated tires increase rolling resistance, which reduces fuel economy. Check your tire pressure regularly and inflate them to the recommended level. This is especially important for a vehicle as heavy as the Hummer EV SUV.

Precondition the battery. Before heading out, especially in cold weather, use the vehicle’s preconditioning feature to warm up the battery. This helps optimize battery performance and efficiency, particularly in freezing temperatures. Also take advantage of preconditioning the cabin while plugged in to minimize energy use, while not plugged in.

Plan your routes strategically. When possible, choose routes that avoid excessive stop-and-go traffic or steep inclines. This can help conserve energy and extend your range. If you are looking for other tips on increasing efficiency, all Gmc fuel economy data is a great resource.

Minimize aerodynamic drag. While the Hummer EV SUV isn’t known for its sleek aerodynamics, you can still minimize drag by removing any unnecessary external accessories, such as roof racks or cargo carriers when not in use. Avoid high speed driving as it is the most detrimental factor affecting electric range.