The 2023 BMW 540i Sedan gets 27 MPG combined. It’s not the most fuel-efficient car, but it offers a good balance for those who value power and driving enjoyment over saving gas. This is a refined, fast, and comfortable sedan offering respectable fuel consumption, designed for executives, professionals, and driving enthusiasts.

City and highway performance

The EPA estimates the 540i will achieve 25 MPG in the city and 32 MPG on the highway. This difference reflects the car’s characteristics. In urban areas, the 3.0L turbocharged inline-six engine is responsive and provides plenty of low-end torque for merging and navigating stop-and-go traffic. However, its large size and turbocharger mean it uses more fuel than smaller engines when idling or accelerating often. On the open road, the 540i excels. Its smooth engine and well-calibrated eight-speed automatic transmission settle into a relaxed cruise, allowing for impressive fuel economy even at higher speeds, with 32 highway MPG easily attainable if you avoid using the engine’s power to pass other cars frequently.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2023 BMW 540i at $2,150. This is based on driving 15,000 miles per year, with 55% in the city and 45% on the highway. The calculation also considers national average fuel prices at the time of testing. Individual fuel costs will vary based on driving habits and local fuel prices, but this provides a useful comparison point. Remember that this is just an EPA estimate, and your costs may differ. Premium fuel is recommended for best performance and efficiency, which will affect your actual costs.

Real-world expectations

While the EPA figures offer a starting point, real-world fuel economy often varies. If you drive moderately, expect the 540i to closely mirror the EPA estimates. Aggressive acceleration, frequent use of Sport mode, and extended idling can significantly reduce fuel economy. However, driving smoothly, anticipating traffic, and minimizing unnecessary braking can yield better results. Many drivers have reported highway figures in the mid-30s MPG on longer trips, showing that the 540i can exceed its official rating in ideal conditions. Always check 540I MPG across all years to view trends across model years.

How it compares

The 540i is in a competitive class with several alternatives offering different fuel efficiencies. The Mercedes-Benz E450 4MATIC, with its turbocharged inline-six, delivers similar performance but typically gets slightly lower combined MPG, around 26. The Audi A6 55 TFSI Quattro, also featuring a turbocharged V6, posts comparable numbers. The Lexus ES 350, with its naturally aspirated V6, offers better fuel economy, around 26 MPG combined, but provides less performance and driving engagement than the BMW. The BMW 530e plug-in hybrid offers significantly better combined MPG for those prioritizing efficiency, often exceeding 60 MPG with regular charging, but it trades some engine performance and cargo space for this because of the battery pack. Buyers often compare based on other factors and consult all Bmw fuel economy data to compare the range lineup from a single manufacturer.

Tips to maximize efficiency

Take advantage of the 540i’s Eco Pro mode. This setting changes the throttle response, adjusts the shift points, and reduces the energy used by auxiliary systems like the air conditioning. While it may slightly reduce the car’s performance, it can noticeably improve fuel economy, especially during city driving.

Make sure your tires are inflated correctly. Underinflated tires increase rolling resistance, which increases fuel consumption. Check your tire pressure regularly and inflate them to the recommended levels on the doorjamb sticker. Even a few PSI difference can affect fuel economy. When you need to replace your tires, consider low rolling resistance tires.

Anticipate traffic flow and drive smoothly. Avoid sudden acceleration and hard braking, as these waste fuel. By looking ahead and planning your driving, you can minimize wasted energy and improve your MPG.

Reduce idling. Idling wastes fuel and emits pollutants. If you’ll be stopped for more than a minute, turn off the engine. Modern cars start quickly and efficiently, so there’s no need to idle unnecessarily.

Keep up with scheduled maintenance. Regular oil changes, air filter replacements, and spark plug maintenance ensure your engine runs efficiently. A well-maintained engine consumes less fuel and lasts longer.