15 MPG combined. Frankly, fuel economy is probably not a primary concern for anyone considering a 2023 BMW X5 M Competition. This is a 617-horsepower performance SUV that prioritizes speed and driving pleasure over efficiency. Its mission is to thrill, not conserve, and its owners are likely more concerned with track times than gas stops. They want an SUV but refuse to compromise on the exhilarating driving dynamics of sports cars, and they’re willing to pay the price at the pump.

City and highway performance

The EPA estimates the X5 M Competition gets 13 MPG in the city and 18 MPG on the highway. This difference shows how much driving style affects fuel consumption. The city MPG reflects stop-and-go traffic, frequent acceleration, and idling, conditions that punish the 4.4L twin-turbo V8 engine. On the open highway, with steady speeds and less engine load, fuel economy improves, showing the engine’s efficiency when cruising. But the temptation to step on the gas is ever-present, and aggressive driving will quickly reduce those highway gains.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2023 BMW X5 M Competition at $3,850. This is based on driving 15,000 miles per year, with 55% in the city and 45% on the highway, and assumes national average fuel prices. It’s a significant figure, especially compared to more fuel-efficient SUVs. However, the X5 M Competition buyer likely considers this expense part of the overall cost, seeing it as the price of entry into a club of high-performance SUVs. They are buying a driving experience, not just a way to get to work.

Real-world expectations

While EPA estimates offer a baseline, real-world fuel economy will vary depending on driving habits, terrain, and weather. Owners who often drive aggressively will likely see figures lower than the EPA estimates. On the other hand, those who primarily drive on the highway and avoid hard acceleration might get closer to 18 MPG. Expect a range of 12-17 MPG in mixed driving.

How it compares

The X5 M Competition is in a segment where performance outweighs fuel efficiency, but comparisons can still be made. The Mercedes-AMG GLE 63 S Coupe, a direct competitor, gets about 15 MPG combined. The Porsche Cayenne Turbo has comparable power, yet achieves a slightly better 17 MPG combined in some trims. While seemingly small, the differences can add up. Someone looking at all BMW fuel economy data might also consider the X5 M60i, which offers strong performance and slightly better fuel economy. However, the X5 M Competition buyer isn’t shopping for minor improvements in MPG, they’re after the top of the X5 range and they’re willing to accept the resulting fuel consumption. Other models within the X5 family are more fuel-conscious, research X5 MPG across all years to see if they better suit your needs.

Tips to maximize efficiency

Although gas mileage isn’t a major concern for X5 M Competition owners, there are ways to get the most out of each tank. Avoid excessive idling. The twin-turbo V8 uses fuel even when stopped, so reducing unnecessary idling can help, especially in city driving.

Effectively use the adaptive driving modes. Selecting “Eco Pro” or “Comfort” mode will change the vehicle’s settings to prioritize efficiency. These modes adjust throttle response, shift points, and settings to maximize fuel economy without completely sacrificing performance.

Check tire pressure regularly. Underinflated tires increase rolling resistance, which lowers fuel economy. Maintaining the recommended tire pressure improves efficiency, handling, and tire life.

Plan routes wisely. Avoiding traffic and choosing routes with consistent speeds can reduce stop-and-go driving, leading to better fuel economy.

Try gentler acceleration. While the X5 M Competition offers quick acceleration, smoother acceleration and anticipating traffic can significantly improve fuel economy, especially in urban areas.