2021 BMW Z4 sDrive30i MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2021 BMW Z4 sDrive30i.

The 2021 BMW Z4 sDrive30i runs on premium gasoline and is in the Two Seaters car class.

Whether you are considering a purchase of the car, or just wanting to find out how economical and environmentally friendly (or un-friendly) your 2021 BMW Z4 sDrive30i is, we have the information you need.

🛣 How Many Miles per Gallon (MPG) Does a 2021 BMW Z4 sDrive30i Get?

First off, the most commonly asked question. A 2021 BMW Z4 sDrive30i gets up to 25 miles per gallon in the city, and 32 miles per gallon on the highway.

The combined average MPG for the 2021 BMW Z4 sDrive30i is 28 miles per gallon.

💵 What is the Average Yearly Fuel Cost for a 2021 BMW Z4 sDrive30i?

The estimated fuel costs for the 2021 BMW Z4 sDrive30i is $2,650 per year.

That value has been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

If you were to compare a 2021 BMW Z4 sDrive30i to an average vehicle over 5 years, you will spend $1,750 more on fuel.

🛢 How Many Barrels of Petroleum Does a 2021 BMW Z4 sDrive30i Consume?

The 2021 BMW Z4 sDrive30i will consume roughly 11 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.

💨 How Many Grams of CO2 Does a 2021 BMW Z4 sDrive30i Emit?

For every mile driven, the 2021 BMW Z4 sDrive30i will emit 321 grams of CO2, which is about 4,815,000 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 164 trees would be needed to offset emissions from the 2021 BMW Z4 sDrive30i.


The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2021 BMW Z4 sDrive30i.

City MPG 25
Highway MPG 32
Combined MPG 28
Save/Spend vs Average Car Spend $1,750
Fuel Cost $2,650
Fuel Type 1 Premium
Barrels of Petroleum 11
Grams of CO2 4,815,000
Trees Needed to Offset 229
Drive Rear-Wheel Drive
Cylinders 4
Transmission Automatic (S8)
Vehicle Class Two Seaters
Start/Stop? Yes
Supercharged? No
Turbocharged? Yes

Related BMW Models from 2021

If you're interested in other BMW models from 2021, you can find them in the table below. You can click the model link to find miles per gallon and emission information for that model.


Ratings were provided by the manufacturer to the U.S. Department of Energy, which is where we sourced the data. Be advised that manufacturers may have upgraded, downgraded, or changed these ratings following the compilation of this data.

MPG Buddy does not guarantee the accuracy of this data, nor are we liable for any decisions made by referencing this data. Make sure to contact the specific car manufacturer to confirm accuracy.

Link To or Reference This Page

We spend a lot of time collecting, cleaning, merging, and formatting the data that is shown on the site to be as useful to you as possible.

If you found the data or information on this page useful in your research, please use the tool below to properly cite or reference MPG Buddy as the source. We appreciate your support!

  • "2021 BMW Z4 sDrive30i MPG and Fuel Economy". MPG Buddy. Accessed on September 21, 2023. http://mpgbuddy.com/cars/bmw/z4-sdrive30i/2021.

  • "2021 BMW Z4 sDrive30i MPG and Fuel Economy". MPG Buddy, http://mpgbuddy.com/cars/bmw/z4-sdrive30i/2021. Accessed 21 September, 2023

  • 2021 BMW Z4 sDrive30i MPG and Fuel Economy. MPG Buddy. Retrieved from http://mpgbuddy.com/cars/bmw/z4-sdrive30i/2021.