23 MPG combined isn’t going to win any green awards, but for the 2017 BMW 540i xDrive, it’s acceptable. This is a luxury sport sedan with all-wheel drive and a strong turbocharged inline-six, not a hybrid designed for maximum efficiency. The person buying this car prioritizes performance, a comfortable and tech-laden interior, and the surefootedness of xDrive, and understands there’s a fuel cost along with this ownership experience.

City and highway performance

The EPA estimates for the 2017 BMW 540i xDrive show a split between city and highway driving. Expect around 20 MPG in city environments. This figure is influenced by stop-and-go traffic and the engine’s need to overcome inertia with each acceleration. The 540i xDrive fares considerably better on the open road, achieving an estimated 29 MPG. This reflects the engine operating more efficiently at steady speeds, benefiting from the eight-speed automatic transmission’s ability to keep the engine in its optimal rev range. The highway number is crucial for those who frequently embark on longer journeys, as it significantly impacts overall fuel consumption and running costs.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2017 BMW 540i xDrive at $2,500. This figure is based on driving 15,000 miles per year and using national average fuel prices. Keep in mind that this is just an estimate, and your actual fuel costs may vary depending on your driving habits, local fuel prices, and the type of fuel you use. Some owners might even use premium grade fuel to optimize performance. The $2,500 figure provides a useful benchmark for comparing the running costs of the 540i xDrive with other vehicles in its class. For some buyers, this figure is acceptable, for others who travel less or have a lighter foot, it can be considerably lower.

Real-world expectations

EPA estimates provide a standardized measure, but real-world fuel economy often differs. Driving style, traffic conditions, and even weather can all influence how efficiently a car consumes fuel. The 2017 BMW 540i xDrive, with its responsive engine and all-wheel-drive system, can be particularly sensitive to aggressive driving. Hard acceleration and frequent braking will decrease fuel economy. A more measured approach, coupled with anticipating traffic flow, can bring real-world figures closer to the EPA estimates or slightly better. Owners who prioritize fuel economy can use the car’s driving modes to influence fuel consumption; selecting “Eco Pro” mode will prioritize efficiency over performance.

How it compares

The 2017 BMW 540i xDrive exists in a competitive segment of luxury sport sedans. The Mercedes-Benz E400 4MATIC, another well-regarded option, delivers similar fuel economy with its turbocharged V6 engine, hovering around 20 MPG city and 28 MPG highway. The Audi A6 3.0T quattro boasts comparable stats, typically achieving 22 MPG combined. All Bmw fuel economy data shows that the 540i xDrive occupies a middle ground in terms of consumption. The Cadillac CTS, known for its performance-oriented character, achieves comparable numbers. Comparing the 540I MPG across all years highlights how the current generation balances performance and acceptable fuel consumption. The buyer considering these cars acknowledges that fuel economy is a factor balanced against performance, comfort, and technology.

Tips to maximize efficiency

Use the car’s driving modes, particularly the “Eco Pro” setting. This mode adjusts throttle response, transmission shift points, and climate control settings to prioritize fuel efficiency. Use it during commutes or situations where performance isn’t critical to help trim fuel consumption.

Regular maintenance is critical for optimal fuel economy. Ensure that your tires are properly inflated, as underinflated tires increase rolling resistance. Keep your engine well-maintained with regular oil changes and air filter replacements to ensure it runs efficiently.

Pay attention to your driving habits. Avoid aggressive acceleration and hard braking because these actions consume more fuel. Anticipate traffic flow and maintain a steady speed whenever possible, which lets the engine remain within its most efficient operating range. Use cruise control on the highway to maintain constant speed that helps to maintain efficiency.

Minimize unnecessary weight in the vehicle. Carrying extra cargo increases the amount of energy required to move the car forward, resulting in reduced fuel economy. Remove any items that are not essential for the journey.

Plan your trips efficiently. Combine errands into a single trip to minimize cold starts, which are less fuel-efficient. Use navigation apps that provide real-time traffic information to avoid congested routes and reduce idling time. This small change often proves beneficial to your wallet.