BMW 340i MPG and Fuel Economy

BMW have been manufacturing models of 340i for 3 years, with the latest vehicle in 2018 having a combined MPG of 23.

The estimated fuel cost for the 2018 BMW 340i is $3,200 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 $4,500 more on fuel driving a 2018 BMW 340i.

🛢 The BMW 340i will consume roughly 13 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the BMW 340i will emit 389 grams of CO2, which is about 5,835,000 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 278 trees would be needed to offset emissions from the BMW 340i.

The table below is a complete list of the 6 BMW 340i 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.

Vehicle Combined MPG Fuel Cost
2018 BMW 340i 23 $3,200
2018 BMW 340i 25 $2,950
2017 BMW 340i 23 $3,200
2017 BMW 340i 25 $2,950
2016 BMW 340i 23 $3,200
2016 BMW 340i 25 $2,950

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