BMW · 2024
X3 M 3.0L 6-cyl
✓ EPA Verified
Premium Gasoline
Small Sport Utility Vehicle 4WD
All-Wheel Drive
City
15
MPG
Combined
17
MPG
Highway
20
MPG
Annual Fuel Cost
$3,400
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$1,250
more per year
Class Comparison — Small Sport Utility Vehicle 4WD
Bottom 1%
Better than 1 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 17 MPG
This vehicle
17 MPG
Class average
31 MPG
Class lowest
14 MPG
EPA Energy & Environment Scores
3
Energy Score
Out of 10
3
GHG Score
Out of 10
519 lbs
Annual CO₂
g/mile tailpipe CO₂
Yes
Start-Stop
Auto stop-start
Vehicle Specifications
Engine3.0L 6-cyl
TransmissionAutomatic (S8)
DriveAll-Wheel Drive
Fuel TypePremium Gasoline
Vehicle ClassSmall Sport Utility Vehicle 4WD
Engine DescSIDI
Start-StopYes
EPA Vehicle ID46873

The 2024 BMW X3 M 3.0L 6-cyl achieves 17 MPG combined. It’s not a Prius, and it wasn’t meant to be. This is a high-performance compact SUV focused on delivering a thrilling driving experience. Buyers prioritize power, handling, and brand recognition over fuel efficiency. The X3 M is for those who want a practical daily driver that excels on weekend drives. Understanding this context is critical to understanding the X3 M’s position. The driver of an X3 M typically isn’t considering a hybrid. Instead, they want the most engagement possible from a vehicle of this size and usability.

City and highway performance

The X3 M’s EPA ratings are 15 MPG in the city and 20 MPG on the highway. The low city MPG reflects the engine’s eagerness to rev and the driver’s temptation to use its power. Stop-and-go traffic hurts fuel efficiency, and the X3 M’s performance tuning doesn’t help. The 20 MPG highway figure is more reasonable and achievable on long road trips, although frequent acceleration will reduce it. Drivers who frequently drive on roads with speed limits of 70 mph or less will likely see higher figures.

Annual fuel cost

The EPA estimates an annual fuel cost of $3,400 for the 2024 BMW X3 M. This is based on driving 15,000 miles per year, 55% in the city and 45% on the highway, using national average fuel prices. This is just a benchmark. Individual costs will vary depending on driving habits and location. Aggressive drivers or those in areas with higher fuel prices will pay more. Those who mainly use the vehicle for long highway trips can expect lower costs. You can find all Bmw fuel economy data on this site.

Real-world expectations

While the EPA numbers are a baseline, real-world fuel economy for the X3 M depends on the driver. Those with a heavy foot will likely see MPG figures below the EPA estimates, perhaps even dipping into the low teens in mixed driving. More restrained drivers, especially those who spend a lot of time on the highway, might achieve figures closer to, or even slightly above, the EPA’s 20 MPG highway rating. Remember fuel economy will also be negatively impacted by frequent short journeys, especially in cold weather.

How it compares

Competitors to the X3 M include other performance-oriented compact SUVs. The Mercedes-AMG GLC 63 S Coupe gets a similar 16 MPG combined. The Alfa Romeo Stelvio Quadrifoglio delivers around 17 MPG combined, mirroring the X3 M’s fuel consumption. The Porsche Macan Turbo offers similar performance but achieves slightly better efficiency at 19 MPG combined. While the Porsche’s higher price may give buyers pause, it offers slightly better fuel economy for those who appreciate performance and luxury. Consumers who are shopping for an X3 M are often considering the character of each competitor, but if fuel economy is an important attribute among other factors, this comparison may be valuable. For other years, check out X3 MPG across all years.

Tips to maximize efficiency

One simple technique is to use the X3 M’s driving mode selector. Selecting “Comfort” or “Eco Pro” mode will remap the throttle response and shift patterns to prioritize fuel efficiency over performance. While it may dull the driving experience slightly, it can make a noticeable difference in fuel consumption, especially in city driving. The default driving mode on the X3 M is calibrated to create a sporty experience, and in this sportier mode, fuel consumption can increase rapidly.

Gentle acceleration and braking are also important. Avoid aggressive launches and hard braking, as these actions consume significant amounts of fuel. Anticipate traffic flow and maintain a steady speed whenever possible; this contributes to efficiency, which is hard with so much power. Also, keep tires properly inflated. Underinflated tires increase rolling resistance, which reduces fuel economy. Check and adjust tire pressures regularly according to the manufacturer’s recommendations, often found on a sticker inside the driver’s side door.

Minimize aerodynamic drag by removing roof racks or cargo carriers when not in use. These accessories increase wind resistance, especially at highway speeds, and can significantly decrease fuel economy. Even leaving windows open at high speeds can negatively impact aerodynamic efficiency, adding to the engine’s workload.

Finally, consider the fuel grade you’re using. The X3 M’s high-performance engine is designed to run on premium fuel. While it may be tempting to use regular fuel to save money, doing so could reduce performance and potentially damage the engine. Always use the fuel grade recommended by BMW to ensure optimal performance and fuel efficiency.