BMW 330i MPG and Fuel Economy
BMW have been manufacturing models of 330i for 11 years, with the latest vehicle in 2021 having a combined MPG of 30.
The estimated fuel cost for the 2021 BMW 330i is $2,450 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 $750 more on fuel driving a 2021 BMW 330i.
🛢 The BMW 330i will consume roughly 10 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the BMW 330i will emit 298 grams of CO2, which is about 4,470,000 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 213 trees would be needed to offset emissions from the BMW 330i.
The table below is a complete list of the 11 BMW 330i 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 |
|---|---|---|
| 2021 BMW 330i | 30 | $2,450 |
| 2020 BMW 330i | 30 | $2,450 |
| 2019 BMW 330i | 30 | $2,450 |
| 2018 BMW 330i | 27 | $2,750 |
| 2017 BMW 330i | 27 | $2,750 |
| 2006 BMW 330i | 21 | $3,500 |
| 2005 BMW 330i | 21 | $3,500 |
| 2004 BMW 330i | 21 | $3,500 |
| 2003 BMW 330i | 20 | $3,700 |
| 2002 BMW 330i | 20 | $3,700 |
| 2001 BMW 330i | 21 | $3,500 |
Link To or Reference This Page
If you use this page in your research, please reference MPG Buddy as the source.
<a href="https://mpgbuddy.com/cars/bmw/330i">BMW 330i MPG and Fuel Economy</a>
"BMW 330i MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/bmw/330i.
"BMW 330i MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/bmw/330i. Accessed January 3, 2026.
BMW 330i MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/bmw/330i.