11 MPG combined, that’s the reality facing anyone considering the 2024 Mercedes-Benz AMG G63 4×4 Squared. And, frankly, if you’re even remotely concerned about that number, this vehicle isn’t for you. This isn’t about getting from point A to point B efficiently; it’s about making a statement, conquering practically any terrain, and possessing a vehicle as outrageous as it is capable. The G63 4×4 Squared is for those who prioritize presence and off-road prowess above all else, and for whom the cost of fuel is simply a footnote in the ownership experience.

City and highway performance

The EPA estimates the G63 4×4 Squared achieves 10 MPG in the city and 12 MPG on the highway. These figures are a direct consequence of several factors: the hand-built 4.0-liter twin-turbo V8 churning out 585 horsepower, the portal axles that provide immense ground clearance but also add significant weight and rolling resistance, and the sheer brick-like aerodynamics of the G-Wagen body shape. The 9-speed automatic transmission attempts to mitigate some of the fuel consumption, but ultimately, physics prevails. Expect frequent stops at the gas station, especially during spirited driving or extended off-road adventures.

Annual fuel cost

The EPA estimates an annual fuel cost of $5,250 for the 2024 Mercedes-Benz AMG G63 4×4 Squared. This figure is calculated based on driving 15,000 miles per year, with 55% city driving and 45% highway driving, using the national average fuel price. Keep in mind that premium fuel is required for optimal performance, further increasing the expense. The annual fuel cost could vary wildly depending on your driving habits and the price of gasoline in your area.

Real-world expectations

While the EPA provides a standardized benchmark, real-world fuel economy often differs. With a vehicle as unique and specialized as the G63 4×4 Squared, driving style and terrain significantly impact fuel consumption. Aggressive acceleration, frequent off-roading, and even strong headwinds can negatively affect MPG. On the other hand, careful throttle management and steady highway cruising might yield slightly better results, but don’t expect miracles. The G63’s immense weight and aerodynamics will always be a factor.

How it compares

Comparing the G63 4×4 Squared to other SUVs based on fuel economy alone is almost irrelevant, but context is helpful. A Land Rover Range Rover, even in its supercharged V8 guise, typically achieves around 16 MPG combined. The Cadillac Escalade, another large luxury SUV, manages around 17 MPG combined with its V8 engine. Even the previous generation G63 AMG, without the extreme off-road modifications of the 4×4 Squared, posted slightly better numbers. These comparisons highlight the trade-off inherent in the G63 4×4 Squared’s design. Its singular focus, unmatched off-road capability, comes at a considerable price in fuel efficiency. For those who crave the reliable go-anywhere ability of the 4×4 Squared, the extra trips to the fuel pump are simply part of the experience.

Tips to maximize efficiency

While the G63 4×4 Squared will never be a fuel-sipping champion, there are still ways to minimize consumption. Avoid aggressive acceleration and hard braking. Smooth, consistent driving can make a noticeable difference. The twin-turbo V8 responds instantly to throttle input, so modulating your foot will ease fuel use but still offer plenty of grunt as you roll along.

Ensure your tires are properly inflated. The large off-road tires on the G63 4×4 Squared create substantial rolling resistance. Maintaining the recommended tire pressure will reduce drag and improve fuel economy slightly. Consult the sticker on the driver’s side doorjamb for the correct pressure.

Reduce unnecessary weight. Carrying extra cargo adds to the vehicle’s load and decreases fuel efficiency. Remove any items from the cargo area that are not essential, especially heavy objects. Every pound counts when trying to optimize fuel economy in a vehicle like this.

Plan your routes strategically. Avoiding stop-and-go traffic and choosing routes with fewer hills can improve fuel consumption. The G63 4×4 Squared’s large size and weight make it less efficient in congested areas.

Consider using a fuel additive designed to clean fuel injectors and improve combustion. While the benefits may be marginal, maintaining the engine in optimal condition can contribute to slightly better fuel economy over time, and of course, keep up with all scheduled maintenance procedures.

Explore all Mercedes Benz fuel economy data to compare models. You can also see AMG MPG across all years.