BMW · 2023
X3 xDrive30i 2.0L 4-cyl
✓ EPA Verified
Premium Gasoline
Small Sport Utility Vehicle 4WD
All-Wheel Drive
City
21
MPG
Combined
24
MPG
Highway
28
MPG
Annual Fuel Cost
$2,400
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$250
more per year
Class Comparison — Small Sport Utility Vehicle 4WD
Bottom 44%
Better than 44 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 24 MPG
This vehicle
24 MPG
Class average
31 MPG
Class lowest
14 MPG
EPA Energy & Environment Scores
5
Energy Score
Out of 10
5
GHG Score
Out of 10
369 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 Sport Utility Vehicle 4WD
Engine DescSIDI
Start-StopYes
EPA Vehicle ID45544

24 MPG isn’t going to win any awards, but for the 2023 BMW X3 xDrive30i, with its turbocharged 2.0-liter 4-cylinder, it’s an acceptable compromise. You get sporty handling, luxury, and all-weather traction. The X3 xDrive30i isn’t aimed at hypermilers. Buyers want a premium driving experience and the security of all-wheel drive, and are willing to trade some MPGs for those features.

City and highway performance

The EPA estimates the X3 xDrive30i will achieve 21 MPG in the city and 28 MPG on the highway. The lower city figure reflects stop-and-go driving where the turbocharger spools up frequently and the auto start/stop system likely engages often. The highway figure is better, helped by the smooth-shifting 8-speed automatic transmission and the engine’s ability to cruise efficiently at higher speeds. The xDrive all-wheel-drive system adds some parasitic drag, affecting numbers compared to a rear-wheel-drive model.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2023 BMW X3 xDrive30i will be $2,400. This is based on driving 15,000 miles per year and using national average fuel prices. Premium fuel is recommended for optimal performance. Fuel costs will change with driving habits and octane prices across the nation.

Real-world expectations

EPA estimates are a useful baseline, but real-world fuel economy can change a lot. Aggressive driving, frequent short trips, and carrying heavy loads all hurt fuel efficiency. But careful driving techniques, such as anticipating traffic flow and minimizing hard acceleration, can help you get closer to the EPA numbers. Many owners find that they meet or slightly exceed the 28 MPG highway rating, but the city MPG can be harder to reach because of driving behavior.

How it compares

The 2023 BMW X3 xDrive30i’s fuel economy is about in the middle compared to its rivals. The Acura RDX SHA-AWD is rated at 21 MPG city and 27 MPG highway, similar in real-world performance. The Volvo XC60 B5 AWD gets 22 MPG city and 28 MPG highway, similar to the X3, but with a mild hybrid system. The Mercedes-Benz GLC 300 4MATIC numbers are close to the X3 at 22 MPG city and 28 MPG highway. For buyers focused on lower fuel costs, the Lexus NX 350h hybrid offers better efficiency, but a different driving feel, that may not appeal to X3 buyers who want a performance-oriented experience. Explore all Bmw fuel economy data to see where the X3 lineup sits in the BMW context. If you want more information, you can review X3 MPG across all years to see how this generation compares against previous ones.

Tips to maximize efficiency

Use the X3’s driving modes. “Eco Pro” mode will remap the throttle response, shift points, and climate control system to prioritize fuel efficiency. It may slightly reduce the sporty feel, but it can help in city driving, where acceleration and braking are common. Switch to a sportier mode after you’re cruising on the highway.

Check your tire pressure regularly. Underinflated tires increase rolling resistance, which makes the engine work harder and consume more fuel. See the sticker on the driver’s side doorjamb for the recommended tire pressure, and check the pressure at least every two weeks, especially when temperatures change.

Minimize idling. Modern engines don’t need long warm-up periods. Idling burns fuel without going anywhere. If you’ll be stopped for more than a few seconds, turn off the engine. The auto start/stop system handles short stops, but for longer waits, manually shutting off the engine is usually more frugal.

Avoid aggressive driving. Rapid acceleration and hard braking consume more fuel than smooth inputs. Anticipate traffic flow and maintain a consistent speed whenever possible. Drive in a smoother and more controlled way.