2021 BMW 3 Series MPG Ratings

August 20th, 2021 by

2021 BMW 3 Series Sedan
Whether you’re looking for a track-ready sedan or you want a handsome daily driver, the new BMW 3 Series offers a match for every item on your wishlist. Not only does this sedan offer standout looks, but the performance capabilities of the 3 Series are unmatched. When you upgrade with this muscular model, you may be surprised to find out that it offers leading efficiency to go along with chart-topping horsepower and torque. Without a doubt, the BMW 3 Series mpg ratings will surpass your expectations.



So, how efficient is the BMW 3 Series gas mileage? The 2021 BMW 3 Series mpg reaches 26 mpg city and 36 mpg highway. Read on below to learn more about this high-powered and efficient sedan.

BMW 3 Series Fuel Economy

Before we take a closer look at the BMW 3 Series fuel efficiency and specs by model, let’s review the BMW 3 Series miles per gallon from across the 2021 lineup:

  • 2021 BMW 330i Sedan – 26 mpg city / 36 mpg highway
  • 2021 BMW 330i xDrive Sedan – 25 mpg city / 34 mpg highway
  • 2021 BMW M340i Sedan – 23 mpg city / 32 mpg highway
  • 2021 BMW M340i xDrive Sedan – 22 mpg city / 31 mpg highway

The BMW 3 Series gas mileage ratings listed above reflect the performance of the standard 8-speed Sport Automatic transmission. You can switch over to a second manual transmission mode when the mood strikes.

While we don’t have the 3 Series mpg ratings for the BMW 330e range, we can tell you that this model is expected to impress even the most seasoned of drivers. The latest 3 Series hybrid will offer raucous acceleration, an all-electric range, and advanced amenities. Check back with our team to learn more about the BMW 3 Series fuel efficiency on the 330e models.

BMW 3 Series Gas Mileage and Performance by Model


While other brands strip their entry-level models down to bare bones, opting for the BMW 330i will never feel like a compromise. What’s more, you’ll enjoy each commute from Fort Lee to Cresskill without making frequent gas stops. Since the 3 Series mpg reaches 26 mpg in the city and 36 mpg on the highway at the base trim, you’ll enjoy more time on the road during your weekend adventures.

Whether you upgrade with the 330i or the 330i xDrive, you’ll have the 2.0-liter BMW TwinPower Turbo inline-4 under the hood. This powerful engine delivers 255 hp and 294 lb-ft of torque, with a 0-60 time of 5.6 seconds, or 5.3 seconds with xDrive.


The iconic BMW M Performance nameplate is synonymous with outstanding performance. These models offer staggering output to complement their strong BMW 3 Series fuel efficiency ratings. When you fire up either M340i or the M340i xDrive Sedan, the roar of the 3.0-liter BMW M TwinPower Turbo inline-6 will greet you like an old friend.

From this engine, you can expect 382 hp and 368 lb-ft of torque. The 0-60 times at this level are jaw-dropping, with the M340i going from 0-60 in 4.4 seconds while the xDrive does so in just 4.1 seconds. As mentioned above, the BMW 3 Series miles per gallon will vary from 22-23 mpg in the city, and from 31-32 mpg on the highway, depending on the model you select. Regardless of which model you bring home, you’ll instantly gain envy and praise from the entire neighborhood.


While the full range of specs for the 330e and the 330e xDrive Sedans has yet to be released, we do have a number of exciting updates to share. When you pop the hood of both of these models, you’ll discover a 2.0-liter BMW TwinPower Turbo inline-4 and an eDrive 107-hp electric motor. When working in concert, these two power sources offer up to 288 hp and 310 lb-ft of torque. The energetic 330e accelerates from 0 to 60 in 5.6 seconds, and the xDrive goes from 0-60 in 5.7 seconds.

If you’re hoping to maximize your fuel savings, the hybrid BMW 3 Series offerings are sure to deliver the best fuel economy ratings of the entire lineup. It’s important to keep in mind that once your electric battery wears out, your fuel economy will similar to that of the 330 xDrive Sedan. However, with that being said, the BMW 3 Series hybrid sedan options are expected to offer the greatest all-electric driving range yet!

Explore the BMW 3 Series Miles Per Gallon in Tenafly

Now that you’ve had the opportunity to read about the BMW 3 fuel economy online, the time is right to put these specs to the test in person! You can visit BMW of Tenafly today to get behind the wheel of any one of our incredible 3 Series models for a test drive. When you team up with our financiers, you’ll quickly find the model that suits your budget and lifestyle in no time at all. When you’re ready to elevate your Closter travels, contact us to start your upgrade.


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