62 MPG combined is an extraordinary figure for anything wearing a G-Wagen badge, particularly when considering the sheer mass, legendary off-road capability, and unyielding presence of the 2025 Mercedes-Benz G 580 with EQ Technology. This isn’t just another electric SUV; it’s the G-Class, reimagined for a new era where internal combustion is no longer the sole arbiter of power and performance. The G 580 with EQ Technology is designed for the individual who demands the G-Wagen’s iconic status and go-anywhere prowess but is equally committed to embracing sustainable, advanced powertrains. This buyer isn’t merely looking for transport; they’re making a statement about their values and their vision for luxury travel, a statement that now includes a remarkably efficient energy footprint.

City and highway performance

The EPA rates the G 580 with EQ Technology at a commendable 68 MPG in city driving and 56 MPG on the highway. These numbers are a stark departure from the gasoline-powered G-Wagens of old, whose single-digit city figures were a badge of honor for some and a painful reality for others. The substantial city efficiency of the G 580 with EQ Technology is a direct benefit of its electric powertrain, where stop-and-go traffic, typically the bane of internal combustion engines, becomes an opportunity for regenerative braking. This recuperation of energy significantly boosts urban range and efficiency. On the highway, the G 580 with EQ Technology maintains a solid, if slightly lower, MPG. This difference reflects the inherent physics of electric vehicles at sustained higher speeds, where aerodynamic drag takes a more dominant role compared to city driving, and regenerative braking opportunities are less frequent. Even so, 56 highway MPG for a vehicle of this size and brick-like aerodynamic profile is an impressive feat, ensuring that longer journeys are undertaken with a much lower energy expenditure than any other G-Class derivative to date. For a detailed look at G MPG across all years, we offer analyses.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2025 Mercedes-Benz G 580 with EQ Technology at $1,200. This precise figure is calculated based on an assumption of 15,000 miles driven per year, split between city and highway conditions, and using national average electricity prices. It represents the estimated cost to power the vehicle’s electric motor for a typical driver over a 12-month period. For the G-Wagen buyer, particularly one stepping out of a gasoline-powered G-Class, this $1,200 figure represents a colossal saving. Where premium gasoline G-Wagens might incur annual fuel costs well into the four-figure range, this electric iteration dramatically reduces the operational expenses associated with its legendary capabilities. This isn’t about pinching pennies for the typical G-Wagen owner, but rather an attractive ancillary benefit to a robust and environmentally conscious ownership experience.

Real-world expectations

While the theoretical 62 MPG combined is excellent, real-world efficiency for the G 580 with EQ Technology, like any vehicle, will vary. Driving habits are important. Aggressive acceleration, which the G 580’s electric powertrain is more than capable of delivering, will inevitably draw more power from the battery and reduce range. Cruising at sustained high speeds on the Autobahn, for instance, will see efficiency dip from the EPA highway rating. The G 580 with EQ Technology is equipped with serious off-road gear. Engaging its unique G-Turn function or navigating challenging terrain, while exhilarating and demonstrative of its capability, will consume significantly more energy than highway cruising. Those who regularly use its extreme off-road modes, where the electric motors are under immense strain, should anticipate a lower effective MPG. The G 580 maintains the G-Wagen DNA, meaning owners will explore its limits, and those limits come with an energy cost.

How it compares

The 2025 G 580 with EQ Technology operates in a rarefied segment, and direct electric competitors of its caliber are few. Comparing its 62 combined MPG to relevant luxury SUVs underscores its technological leap. Consider the Rivian R1S Large Pack, which achieves 73 MPGe combined. While higher, the R1S presents a distinctly different aesthetic and brand philosophy. The G-Wagen’s heritage and uncompromising luxury are unique draws. A Cadillac Escalade IQ, on the horizon, will likely offer similar electric efficiency in a full-size luxury SUV package, but again, the G’s off-road focus and iconic design separate it. When juxtaposed with high-performance internal combustion engines in this class, the G 580 with EQ Technology’s efficiency gap becomes a chasm. A gasoline-powered Mercedes-AMG G 63, for example, typically returns a combined EPA estimate in the low teens, perhaps 14 MPG. Even a more “modest” V8 luxury SUV like a Range Rover P530, at around 18 MPG combined, pales in comparison. This stark difference highlights that the electric G-Wagen isn’t just marginally better; it fundamentally redefines the relationship between a heavy, ultra-luxury SUV and its energy consumption. For those interested in all Mercedes Benz fuel economy data, our site has extensive information.

Tips to maximize efficiency

Maximizing the efficiency of your G 580 with EQ Technology involves mindful driving and using its systems. Smooth acceleration and deceleration are critical; abrupt inputs tax the battery unnecessarily while gentle driving allows for optimal energy recuperation.

Use the various regeneration modes available. The vehicle likely offers settings that allow you to adjust the intensity of regenerative braking, from mild coasting to strong, one-pedal-like driving. Experiment to find the mode that best suits your driving style and the conditions, maximizing energy recovery.

Pre-conditioning the cabin while the vehicle is plugged in helps. Heating or cooling the interior to your desired temperature while drawing power from the grid, rather than the battery, conserves valuable range for actual driving. This is particularly effective in extreme climates.

Keep your tires properly inflated to the manufacturer’s recommended pressures. Underinflated tires increase rolling resistance, forcing the electric motors to work harder, which in turn reduces overall efficiency and range. Regularly checking tire pressure is a simple yet effective practice.