BMW i3s with Range Extender MPG and Fuel Economy

BMW have been manufacturing models of i3s with Range Extender for 3 years, with the latest vehicle in 2021 having a combined MPG of 31.

The estimated fuel cost for the 2021 BMW i3s with Range Extender is $2,400 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 save $7,750 on fuel driving a 2021 BMW i3s with Range Extender.

🛢 The BMW i3s with Range Extender will consume roughly 1 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the BMW i3s with Range Extender will emit 22 grams of CO2, which is about 330,000 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 16 trees would be needed to offset emissions from the BMW i3s with Range Extender.

The table below is a complete list of the 3 BMW i3s with Range Extender 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.

Link To or Reference This Page

If you use this page in your research, please reference MPG Buddy as the source.

  • "BMW i3s with Range Extender MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/bmw/i3s-with-range-extender.

  • "BMW i3s with Range Extender MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/bmw/i3s-with-range-extender. Accessed January 3, 2026.

  • BMW i3s with Range Extender MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/bmw/i3s-with-range-extender.