BMW M340i MPG and Fuel Economy

BMW have been manufacturing models of M340i for 2 years, with the latest vehicle in 2021 having a combined MPG of 26.

The estimated fuel cost for the 2021 BMW M340i is $2,850 per year.

Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

💵 Compared to an average vehicle over 5 years, you will spend $2,750 more on fuel driving a 2021 BMW M340i.

🛢 The BMW M340i will consume roughly 11 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the BMW M340i will emit 333 grams of CO₂, which is about 4,995,000 grams of CO₂ per year.

🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO₂ per year. This means that roughly 238 trees would be needed to offset emissions from the BMW M340i.

The table below is a complete list of the 2 BMW M340i fuel efficiency specifications we have data for.

Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.