2023 BMW X4 M40i MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2023 BMW X4 M40i.

The 2023 BMW X4 M40i has a 44V Li-Ion electric motor which is charged via standard charger.

All MPG estimates are "MPG equivalent". This is a conversion of electric energy consumption to a gasoline equivalent.

Whether you are considering a purchase of the car, or just wanting to find out how economical and environmentally friendly (or un-friendly) your 2023 BMW X4 M40i is, we have the information you need.

🛣 How Many Miles per Gallon (MPG) Does a 2023 BMW X4 M40i Get?

First off, the most commonly asked question. A 2023 BMW X4 M40i gets up to 21 miles per gallon in the city, and 26 miles per gallon on the highway.

The combined average MPG for the 2023 BMW X4 M40i is 23 miles per gallon.

💵 What is the Average Yearly Fuel Cost for a 2023 BMW X4 M40i?

The estimated fuel costs for the 2023 BMW X4 M40i is $2,750 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 2023 BMW X4 M40i to an average vehicle over 5 years, you will spend $4,750 more on fuel.

🛢 How Many Barrels of Petroleum Does a 2023 BMW X4 M40i Consume?

The 2023 BMW X4 M40i will consume roughly 13 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 2023 BMW X4 M40i Emit?

For every mile driven, the 2023 BMW X4 M40i will emit 378 grams of CO2, which is about 5,670,000 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 193 trees would be needed to offset emissions from the 2023 BMW X4 M40i.

Overview

The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2023 BMW X4 M40i.

City MPG21
Highway MPG26
Combined MPG23
Save/Spend vs Average CarSpend $4,750
Fuel Cost$2,750
Fuel Type 1Premium
Electric Motor44V Li-Ion
ATV TypeHybrid
Barrels of Petroleum13
Grams of CO25,670,000
Trees Needed to Offset270
DriveAll-Wheel Drive
Cylinders6
Displacement3
TransmissionAutomatic (S8)
Vehicle ClassSmall Sport Utility Vehicle 4WD
Start/Stop?Yes
Supercharged?No
Turbocharged?Yes

Related BMW Models from 2023

If you're interested in other BMW models from 2023, 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.

ModelCombined MPG
228i Gran Coupe28
228i xDrive Gran Coupe27
230i Coupe29
230i xDrive Coupe28
330i Sedan29
330i xDrive Sedan27
430i Convertible28
430i Coupe28
430i Gran Coupe28
430i xDrive Convertible27
430i xDrive Coupe27
430i xDrive Gran Coupe27
530e Sedan26
530e xDrive Sedan25
530i Sedan28
530i xDrive Sedan26
540i Sedan27
540i xDrive Sedan25
740i Sedan27
760i xDrive Sedan21

Link To or Reference This Page

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

  • "2023 BMW X4 M40i MPG and Fuel Economy." MPG Buddy. Accessed on December 27, 2025. https://mpgbuddy.com/cars/bmw/x4-m40i/2023.

  • "2023 BMW X4 M40i MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/bmw/x4-m40i/2023. Accessed December 27, 2025.

  • 2023 BMW X4 M40i MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/bmw/x4-m40i/2023.