16 MPG combined is the reality for anyone considering the 2016 BMW M6 Gran Coupe: fuel efficiency isn’t its main focus. It’s not a Prius disguised as a stylish four-door coupe, it is a high-performance car designed to thrill, and the fuel consumption shows its commitment to power and driving dynamics.

city and highway performance

The EPA estimates the M6 Gran Coupe gets 14 MPG in the city and 20 MPG on the highway. These numbers result from the car’s powerful 4.4-liter, twin-turbocharged V8 engine. The engine delivers relentless acceleration but requires a significant amount of fuel. The automatic AM-S7 transmission, a dual-clutch unit, helps the car shift quickly and perform well, but its priority is speed, not fuel savings. The city MPG reflects the frequent stops of urban driving, where the engine is less efficient. The highway MPG demonstrates that fuel consumption improves at a steady cruise, but it’s still not economical. This car is expensive to run.

annual fuel cost

The EPA estimates the annual fuel cost for the 2016 BMW M6 Gran Coupe is $3,600. This is based on driving 15,000 miles per year, using an estimated fuel price based on national averages. This cost can change based on your driving and local fuel prices. Drivers who mainly drive in cities, or often accelerate fast, might pay more than the EPA estimate, or vice versa. Think of the annual fuel cost as a baseline, understanding your driving style will matter.

real-world expectations

M6 Gran Coupe real-world fuel economy often remains inside the EPA’s range, but relies heavily on driving style. Drivers who enjoy the car’s performance and often use its power may see lower numbers. Keep in mind that this car rewards drivers who want a high-performance driving experience, so expecting Prius-like fuel economy is unrealistic. Most M6 Gran Coupe buyers know the compromise and accept it.

how it compares

Compared to other high-performance luxury sedans, the M6 Gran Coupe’s fuel economy is normal. The Mercedes-AMG CLS63 S from the same year, with its 5.5-liter twin-turbo V8, gets a similar 16 MPG combined. The Audi RS 7, a direct competitor known for its strong power and practicality, also gets 18 MPG combined for some model years, proving to be slightly more efficient. A Porsche Panamera Turbo S offers different driving but posts a similar 17-19 MPG combined rating depending on the specific model year and configuration. Those wanting better fuel economy might consider a BMW 640i Gran Coupe, but understand that it trades performance for better efficiency. You can find all BMW fuel economy data here. Understanding these trade-offs is critical when shopping for a performance sedan. For more about this specific model, check M6 MPG across all years.

tips to maximize efficiency

Aggressive acceleration hurts the M6 Gran Coupe’s fuel economy. The twin-turbo V8 loves to show its power, but it raises fuel consumption. Gradual acceleration will improve your mileage, especially in city driving.

Correct tire inflation is essential for fuel efficiency and handling. Check your tire pressures often and maintain them at the recommended levels, which can be found on the driver’s side doorjamb. Properly inflated tires lower rolling resistance, resulting in better fuel economy.

Avoid letting the engine idle too long. If you’re stopped for more than a minute or two, turn off the engine. Modern engines restart quickly, and extended idling wastes fuel at no benefit. This is more important when the engine is cold, as cold starts consume a rich fuel mixture.

Use cruise control on the highway when possible. Maintaining a consistent speed minimizes acceleration and deceleration, leading to more consistent fuel economy. Set the cruise control at a reasonable speed, keeping in mind that high speeds reduce fuel efficiency a lot.

Service your M6 Gran Coupe on schedule. Regular maintenance, including oil changes, air filter replacements, and spark plug replacements, keeps the engine running efficiently. A well-maintained engine operates at its best, helping fuel economy.