BMW · 2017
X3 xDrive35i 3.0L 6-cyl
✓ EPA Verified
Premium Gasoline
Small Sport Utility Vehicle 4WD
All-Wheel Drive
City
19
MPG
Combined
21
MPG
Highway
26
MPG
Annual Fuel Cost
$2,750
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$600
more per year
Class Comparison — Small Sport Utility Vehicle 4WD
Bottom 14%
Better than 14 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 21 MPG
This vehicle
21 MPG
Class average
31 MPG
Class lowest
14 MPG
EPA Energy & Environment Scores
4
Energy Score
Out of 10
4
GHG Score
Out of 10
418 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 ID37345

The 2017 BMW X3 xDrive35i’s 21 MPG combined rating isn’t class-leading, but many buyers of this sporty crossover find it acceptable. These drivers prioritize performance and a premium experience over ultimate efficiency. They want the smooth power of a six-cylinder engine and the security of all-wheel drive, even if it means more frequent fill-ups. The X3 xDrive35i suits those who enjoy driving and value the blend of practicality and performance that BMW engineered into the model.

City and highway performance

EPA estimates clearly show the X3 xDrive35i’s performance strengths. Its 19 MPG city rating reflects stop-and-go traffic and the engine’s eagerness to rev. The turbocharged 3.0L inline-six delivers plenty of power, encouraging spirited driving, which affects fuel consumption. It does better on the open road, achieving 26 MPG on the highway. The eight-speed automatic transmission helps here, allowing the engine to cruise at lower RPMs to optimize fuel economy on longer trips. These figures highlight the X3 xDrive35i’s duality: a capable city vehicle and a comfortable highway cruiser, without being the most efficient in either scenario.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2017 BMW X3 xDrive35i at $2,750. This figure assumes 15,000 miles driven per year, a mix of city and highway driving, and the national average fuel price at the time of calculation. This gives potential owners a benchmark for understanding ongoing ownership expenses. Individual driving habits, fuel prices, and local traffic conditions can all change the actual amount spent on fuel annually. The EPA estimate helps buyers budget for fuel and compare the 2017 BMW X3 xDrive35i’s operating costs against other vehicles.

Real-world expectations

Real-world MPG often differs from EPA estimates. Driving style, terrain, and weather conditions can influence fuel economy. Owners who frequently use the engine’s full power for quick acceleration or drive mostly in urban areas will likely see figures at or below the 19 MPG city rating. Drivers who accelerate smoothly and maintain consistent highway speeds could achieve slightly above the 26 MPG highway estimate. Achieving the EPA’s combined 21 MPG requires a balanced approach, mixing efficient habits with occasional bursts of performance. Check X3 MPG across all years to see overall trends.

How it compares

The 2017 BMW X3 xDrive35i’s fuel economy falls in the middle of its luxury crossover competitors. An Audi Q5 3.0T, similarly equipped, achieves about 22 MPG combined, while the Mercedes-Benz GLC300 gets a slightly better 24 MPG. The Volvo XC60 T6 achieves around 23 MPG combined. The Acura RDX, with its V6 engine and front-wheel drive, delivers about 23 MPG combined. These differences, though small, can add up. Buyers of the X3 xDrive35i are often willing to trade a mile or two per gallon for the BMW’s sharper handling and more engaging driving. For these buyers, the driving experience is more important than fuel efficiency. If you are interested in all Bmw fuel economy data, more comparisons are available.

Tips to maximize efficiency

Use the X3’s Eco Pro mode. This driving mode adjusts engine and transmission settings for maximum fuel efficiency by reducing throttle response and shifting the automatic transmission to higher gears sooner to promote lower engine speeds. This setting is helpful in city driving and highway cruising, conserving fuel without sacrificing too much performance.

Keep tires properly inflated. Underinflated tires increase rolling resistance, making the engine work harder and use more fuel. Regularly check your tires and inflate them to the recommended pressure on the doorjamb sticker. A small change in tire pressure can affect fuel economy, making this a simple way to improve efficiency.

Anticipate traffic and accelerate smoothly. Avoid aggressive acceleration and braking, which use significantly more fuel. Look ahead, keep a safe following distance, and try to predict traffic changes. Gradual acceleration and smooth braking improve fuel economy and the overall driving experience.

Reduce weight. Carrying extra weight in your vehicle decreases fuel efficiency. Remove unnecessary items, such as sporting equipment, tools, or extra cargo. A lighter vehicle requires less energy to accelerate and maintain speed, improving fuel economy. A cluttered car can hurt your MPG.