BMW · 2018
330i xDrive Sports Wagon 2.0L 4-cyl
✓ EPA Verified
Premium Gasoline
Small Station Wagons
All-Wheel Drive
City
23
MPG
Combined
27
MPG
Highway
33
MPG
Annual Fuel Cost
$2,150
Based on 15,000 miles/year · EPA estimates
Class Comparison — Small Station Wagons
Bottom 27%
Better than 27 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 27 MPG
This vehicle
27 MPG
Class average
43 MPG
Class lowest
17 MPG
EPA Energy & Environment Scores
6
Energy Score
Out of 10
6
GHG Score
Out of 10
333 lbs
Annual CO₂
g/mile tailpipe CO₂
Yes
Start-Stop
Auto stop-start
Vehicle Specifications
Engine2.0L 4-cyl
TransmissionAutomatic (S8)
DriveAll-Wheel Drive
Fuel TypePremium Gasoline
Vehicle ClassSmall Station Wagons
Engine DescSIDI
Start-StopYes
EPA Vehicle ID39180

27 MPG combined won’t set any records, but for the 2018 BMW 330i xDrive Sports Wagon, it’s an acceptable compromise. This isn’t a vehicle purchased solely for maximizing fuel efficiency. It’s for the driver who needs the practicality of a wagon, the surefootedness of all-wheel drive, and the driving engagement that BMW is known for. Buyers in this segment prioritize a balance, and the 330i xDrive wagon delivers a decent blend of utility, performance, and relatively reasonable fuel consumption.

City and highway performance

The EPA estimates for the 2018 BMW 330i xDrive Sports Wagon break down to 23 MPG in the city and 33 MPG on the highway. The city figure reflects the stop-and-go nature of urban driving, where the turbocharger is constantly working and the engine is working harder. The highway MPG showcases the efficiency of the 2.0L engine at a steady state, taking advantage of the eight-speed automatic transmission (S8) to keep the engine in its optimal rev range.

The turbocharger is a pretty common configuration for most 330I MPG across all years, although newer models have integrated hybrid technology to slightly improve efficiency. The xDrive all-wheel-drive system, while beneficial in inclement weather, does contribute to a slight decrease in fuel efficiency compared to a rear-wheel-drive model.

Annual fuel cost

The EPA estimates that the annual fuel cost for the 2018 BMW 330i xDrive Sports Wagon is $2,150. This figure is based on driving 15,000 miles per year and using the national average fuel price at the time of the EPA’s testing. Keep in mind that this is just an estimate; your actual fuel costs will vary depending on your driving habits, the type of fuel you use, and local fuel prices. If you spend most of your time in stop-and-go traffic or have a lead foot, you can expect to exceed that $2,150 figure. Conversely, if you primarily drive on the highway and practice efficient driving techniques, you might be able to come in under that amount.

Real-world expectations

While the EPA estimates provide a good baseline, real-world fuel economy often varies. Drivers of the 2018 BMW 330i xDrive Sports Wagon tend to report figures that are generally close to the EPA estimates, although some owners report slightly lower numbers in combined driving. The turbocharged engine is responsive and encourages spirited driving, which can quickly reduce fuel economy. The xDrive system, while beneficial in snowy or slippery conditions, also adds a small amount of weight and drivetrain loss, further affecting efficiency. Owners who prioritize fuel economy often report using the car’s driving modes, selecting “Eco Pro” to optimize fuel consumption. However, using that mode will noticeably dull throttle response.

How it compares

In the realm of small luxury wagons, the 2018 BMW 330i xDrive Sports Wagon competes with vehicles like the Volvo V60. The Volvo V60 T5 AWD, with its own turbocharged engine, achieves an EPA-estimated 25 MPG combined, a bit less than the BMW. The Audi A4 allroad, another competitor, posts similar numbers. The crucial difference lies in the driving experience. Those who prioritize sharp handling and a more engaging driving feel often gravitate towards the BMW, accepting the slight fuel economy trade-off. Someone really concerned about fuel economy might consider a Lexus UX hybrid at 42 MPG combined, but it’s a far cry from the BMW’s driving character and utility. If you are a fan of the German automakers, you can compare all Bmw fuel economy data to see which is the right fit for you.

Tips to maximize efficiency

Take advantage of the “Eco Pro” driving mode. This mode adjusts the throttle response and transmission mapping to prioritize fuel efficiency. While it may reduce performance, it can make a noticeable difference on longer trips or during commutes.

Maintain proper tire inflation. Underinflated tires increase rolling resistance, which reduces fuel economy. Check your tire pressure regularly and inflate your tires to the recommended PSI (pounds per square inch) listed on the sticker inside the driver’s side door.

Avoid aggressive acceleration and braking. Smooth, gradual acceleration and deceleration will help you conserve fuel. Anticipate traffic flow and avoid unnecessary braking whenever possible. The BMW’s responsive engine can be tempting, but restraint pays off at the pump.

Reduce unnecessary weight. Carrying extra weight in your vehicle reduces fuel economy. Remove any items from your trunk or rear seats that you don’t need. A lighter car is a more efficient car.

Consider using cruise control on the highway. Maintaining a consistent speed can improve fuel economy compared to constantly accelerating and decelerating. However, be mindful of traffic conditions and avoid using cruise control in heavy traffic or hilly terrain.