The 2023 BMW X6 xDrive40i gets 23 MPG combined, and let’s be frank: no one buying this vehicle is prioritizing fuel efficiency. The X6 is a statement, a lifestyle choice, a coupe-inspired SUV for buyers who want to stand out and appreciate a beautifully crafted interior, punchy performance, and all-weather capability. It’s a compromise on practicality, sure, but that’s the point. Fuel economy takes a back seat to style and driving dynamics.

City and highway performance

The EPA estimates the X6 xDrive40i achieves 21 MPG in the city and 25 MPG on the highway. These numbers are fairly representative of what you can expect in typical driving conditions. The city figure reflects the stop-and-go nature of urban driving, where the X6’s weight and all-wheel-drive system become more noticeable.

On the open road, the smooth and efficient inline-six engine excels, allowing for relaxed cruising and relatively frugal fuel consumption. Of course, a heavy foot will quickly diminish those highway figures, but disciplined drivers should see numbers close to the EPA estimate.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2023 BMW X6 xDrive40i to be $2,500. This figure is based on driving 15,000 miles per year and using national average fuel prices. Keep in mind that premium fuel is recommended for optimum performance, which contributes to the higher cost. Your actual fuel expenses will vary depending on your driving habits, the type of driving you do, and local fuel prices, but the $2,500 provides a solid baseline for budgeting.

Real-world expectations

While the EPA provides a standardized testing methodology, real-world fuel economy can vary significantly. Remember that aggressive driving, frequent short trips, and using the X6’s Sport mode will all negatively impact fuel consumption. Conversely, gentle acceleration, consistent highway speeds, and using the Eco Pro mode can help you achieve or even exceed the EPA estimates.

Tire pressures also play a role. Ensuring your tires are properly inflated will reduce rolling resistance and improve fuel efficiency. The X6’s onboard computer provides real-time and average fuel economy data, allowing drivers to monitor their consumption and adjust their driving habits accordingly.

How it compares

Compared to its rivals, the X6 xDrive40i’s fuel economy is average. The Mercedes-Benz GLE 450 Coupe, another stylish competitor, achieves a similar 22 MPG combined. The Audi Q8, with its standard all-wheel-drive, manages around 20 MPG combined. Even more powerful SUVs like the Porsche Cayenne Coupe, especially in S or Turbo trims, will see significantly lower figures, often dipping below 20 MPG. Buyers cross-shopping these vehicles aren’t solely focused on fuel efficiency, but every MPG matters. If fuel economy is a primary concern, there are more efficient, less aggressively styled luxury SUVs available, but those models don’t offer the same visual appeal or driving experience as the X6. See all Bmw fuel economy data to put this vehicle into context within the brand’s offerings. Further explore X6 MPG across all years.

Tips to maximize efficiency

Use the X6’s Eco Pro mode. This setting adjusts the engine and transmission for optimal fuel efficiency, softening throttle response and encouraging earlier upshifts. It also impacts climate control, reducing the power consumption of the air conditioning system. While it might slightly diminish performance, in everyday driving Eco Pro can make a noticeable difference.

Avoid unnecessary idling. Modern engines are designed to be fuel-efficient even when starting, so idling for extended periods consumes fuel without moving. If you anticipate being stopped for more than a minute, it’s generally better to turn off the engine. The X6 does have an automatic start/stop function to help with this, but sometimes it has a mind of its own.

Maintain a smooth and steady driving style. Rapid acceleration and hard braking consume significantly more fuel than gradual acceleration and anticipating traffic flow. Focus on maintaining a consistent speed and avoiding sudden maneuvers. The X6’s responsive engine and well-tuned chassis make it easy to drive smoothly, rewarding a gentle touch.

Monitor tire pressures regularly. Underinflated tires increase rolling resistance, which reduces fuel efficiency. Check your tire pressures at least once a month and ensure they are inflated to the recommended level, which can be found on a sticker inside the driver’s side doorjamb. Properly inflated tires also improve handling and extend tire life.