The 2024 Mercedes-Benz AMG GT 55 4matic Plus coupe gets an EPA fuel economy rating of 16 MPG combined. Frankly, anyone considering this hand-built example of German engineering isn’t expecting Prius-like efficiency. This car is designed for powerful acceleration, excellent handling, and an exciting driving experience. Fuel consumption is a lower priority for its intended buyers.

City and highway performance

EPA estimates are 13 MPG in the city and 20 MPG on the highway. The city figure, reflecting stop-and-go traffic and frequent acceleration, is important to consider. The strong 4.0L twin-turbo V8 requires fuel to deliver its consistent torque. Even with cylinder deactivation, urban driving demands its toll. On the open road, the GT 55’s efficient 9-speed automatic transmission and improved aerodynamics allow for better figures, but aggressive driving negates any potential gains. Drivers must accept that pushing this car’s performance, the main reason for owning it, significantly impacts fuel economy.

Annual fuel cost

The EPA calculates the annual fuel cost for the 2024 AMG GT 55 at $3,600. This is based on driving 15,000 miles a year, with 55% in the city and 45% on the highway. It also assumes the current national average price for premium gasoline. This provides a benchmark, but actual costs vary based on driving habits and fuel prices. Drivers who frequently use launch control or drive mostly in stop-and-go traffic should expect to spend more.

Real-world expectations

Don’t expect to match the EPA’s numbers. Real-world MPG will vary depending on driving style and conditions. Enthusiastic driving will likely result in figures closer to the low teens, or even single digits during track days. More careful drivers might see numbers close to the EPA estimates on the highway, but the V8’s power is hard to ignore. Consider the EPA’s ratings an optimistic ideal, not a guaranteed outcome. The AMG GT 55 4matic Plus is expensive to own, and fuel costs are only one part of that.

How it compares

Few direct competitors offer the same combination of luxury, performance, and all-wheel grip as the AMG GT 55. The Porsche 911 Carrera 4S coupe, a consistent benchmark, achieves around 20 MPG combined. While better, it sacrifices some of the AMG’s raw power and aggressive styling. The BMW M8 Competition coupe, with its own twin-turbo V8 and all-wheel drive, has a combined estimate of 17 MPG, slightly better than the AMG. The Aston Martin Vantage, a more exotic and less practical choice, achieves around 18 MPG on the highway. These differences are unlikely to sway buyers in this segment. Brand loyalty, styling, and desired performance are more important than a few MPG. Drivers wanting to explore AMG MPG across all years should know that the GT 55 is on the thirstier side.

Tips to maximize efficiency

While fuel economy might not be the main worry, some tips can help reduce the AMG GT 55’s fuel consumption. Smooth acceleration and anticipating traffic reduce hard braking and acceleration, saving fuel. Avoid launch control and performance-oriented driving modes unless needed.

Ensure the tires are properly inflated. Underinflated tires increase rolling resistance, which impacts fuel economy. Check the tire pressure regularly and keep it at the recommended level on the door jamb.

Use the car’s driving modes effectively. “Comfort” or “Eco” mode will change the engine mapping and transmission shift points to prioritize efficiency over performance. While it might reduce the thrill, it can make a difference in fuel consumption during long highway drives.

Minimize unnecessary weight. Extra cargo adds to the vehicle’s load and reduces fuel efficiency. Remove unnecessary items from the trunk and cabin to lighten the load.

Regular maintenance is critical. Keep the engine tuned and ensure all components are working optimally. Clogged air filters, worn spark plugs, and other maintenance issues can hurt fuel economy. Owners interested in all Mercedes Benz fuel economy data know that regular maintenance is key to the best possible mileage.