Anyone considering a 2015 BMW 650i xDrive Coupe faces a reality of 19 MPG combined. Fuel economy isn’t the main reason to buy this car. It’s a statement, a luxurious indulgence powered by a potent V8. Buyers prioritize performance, style, and the BMW brand. Fuel economy is a lower priority.

City and highway performance

EPA numbers show two different driving environments. The 16 MPG city figure reflects stop-and-go traffic, where the 4.4L V8 works constantly to move the car’s weight. Expect frequent trips to the gas station with mostly urban driving. On the open road, however, the 650i performs slightly better. The 24 MPG highway rating suggests it can handle long road trips without emptying your wallet. The smooth automatic transmission helps keep the engine in its most efficient range at cruising speeds. These numbers are under ideal conditions, and aggressive driving will lower them.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2015 BMW 650i xDrive Coupe at $3,050. This is based on 15,000 miles per year, with a percentage in the city versus highway, and using national average fuel prices at the time. Those who drive more than 15,000 miles annually, or live in areas with higher fuel costs, should expect to spend more each year. This is a significant amount to factor into the overall cost. This cost is almost certainly higher now than it would have been in 2015 due to prevailing gas prices.

Real-world expectations

While the EPA provides a standard, real-world MPG can vary based on driving style, road conditions, and even gasoline brand. Those who accelerate quickly and frequently use the 650i’s power will likely see figures below the EPA estimates. On the other hand, drivers who are more conservative, maximizing coasting and minimizing rapid acceleration, might achieve slightly better results, but never expect 30 MPG. Traffic, weather, and accessories like air conditioning or heated seats also affect fuel consumption.

How it compares

The 2015 BMW 650i xDrive Coupe doesn’t compete with hybrids or economy cars. Its rivals are similar luxury coupes. The Mercedes-Benz E550 Coupe from the same year, with its own twin-turbo V8, delivers similar fuel economy around 18 MPG combined. An Audi S5 Coupe, with all-wheel drive and stylish looks, has a smaller supercharged V6 and earns a slightly better 21 MPG combined. The BMW M6 variant, the performance-focused version of the 6 Series, sacrifices fuel efficiency for more power and will likely get around 17 MPG combined. The 650I MPG across all years isn’t dramatically different either; the powerful engine and luxurious experience influence the results. The 650i driver expects performance and luxury, and accepts the fuel economy as a compromise.

Tips to maximize efficiency

While the 650i isn’t designed for maximum fuel economy, owners can still improve efficiency. Avoid rapid acceleration and hard braking. The powerful V8 responds well to a light touch, and gentler driving can reduce fuel consumption. Try switching to “Eco Pro” driving mode, if available. This mode often reduces throttle response and optimizes the transmission’s shift points for better fuel economy.

Regular maintenance is valuable. Ensure the engine is tuned, the tires are inflated, and all fluids are at their recommended levels. A poorly maintained engine or underinflated tires can significantly impact fuel economy. Removing extra weight from the vehicle can also help a little. Unnecessary cargo in the trunk adds up.

Consider using cruise control on long highway stretches, but only when safe. Maintaining a constant speed can improve fuel efficiency by minimizing unnecessary acceleration and deceleration. Plan trips and route carefully. Avoid congested areas and peak traffic times whenever possible. Stop-and-go traffic burns more fuel than steady highway driving.

Use premium fuel as recommended. While some vehicles can use regular fuel, the 650i’s high-compression engine is designed to run optimally on premium gasoline. Using lower-octane fuel could reduce performance and fuel economy. Consult your owner’s manual for the manufacturer’s specific recommendations. Explore all Bmw fuel economy data for other models.