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Fuel Capacity & Consumption of A BMW

BMW is one of the oldest and most famous car brands globally. Founded in Munich in 1916, the company has positioned itself as the leading luxury, environmentally friendly, and safety-conscious car brand worldwide.

While more than 50 BMW models are currently produced, the general fuel capacity and consumption remain exemplary throughout the line-up.

The average BMW car has a 21-gallon fuel tank and a fuel consumption of 25 MPG. The most fuel efficient model is the BMW i3 and the BMW X5/X6 has the worst fuel economy.

A vehicles fuel consumption mostly depends on where it’s being driven. If the car is being driven in the city, expect it to consume more fuel. Conversely, when BMWs (or any other car) are driven on the highway, the consumption will be lower.

If you are confused about how many gallons your BMW tank can hold or its average fuel consumption, continue reading this article. 

Average Consumption & Fuel Capacity of A BMW

Before we go through all the models separately, here’s a summary of the average fuel capacity and consumption for the available BMW cars.

Average Fuel CapacityAverage MPG (Combined)
21-Gallon fuel tank25 MPG

BMW is a brand closely associated with speed and performance; however, its fuel economy can no longer go unnoticed.

Since BMW was founded in Germany in 1916, the company has been linked with high-quality designs, pioneering technology, and advanced engineering. Over the previous decade, BMW has heavily increased its focus on fuel economy and environmental sustainability. 

BMW’s modern approach has attracted many customers while simultaneously receiving praise from the international climate community. Despite facing intensified calls for removing internal combustion cars from their lineup, BMW has managed to maintain its position as one of the world’s leading car-making companies.

If you have recently bought a BMW, it is crucial to note how economical your model will be and how big the fuel tank is.

This article will analyze each BMW model’s fuel economy ratings and associated fuel tank sizes. 

Fuel Consumption & Capacity Of All BMW Models

The amount of fuel your BMW will use will impact monthly fuel costs, which has become an important consideration for car owners globally.

Each BMW model also has a separate fuel capacity, depending on the car’s design specifications. The fuel capacity is the amount of gas a car’s tank can hold at any given time.

BMW models with smaller tanks are mainly used in city traveling and school runs, while the company’s bigger models are aimed towards long-distance and frequent luxurious-style travel.

Here are all the available BMW models’ fuel capacity and consumption.

1. BMW SUV Models

Fuel Consumption

ModelCombined MPG (City/Highway)Gallons/100 Miles
BMW 750i19 (17/24)5.3
BMW Alpina B719 (17/24)5.3
BMW 330e28 (24/32)3.6
BMW 330e Xdrive25 (21/29)4.0
BMW M760i Xdrive16 (13/20)6.2
BMW X3 M16 (14/19)6.2
BMW X3 M Competition16 (14/19)6.2
BMW X4 M16 (14/19)6.2
BMW X4 M Competition16 (14/19)6.2
BMW 745e Xdrive26 (22/28)4.5
BMW X4 M23 (20/27)4.3

Fuel Capacity

ModelFuel Capacity (Gallons)
BMW 750i xDrive25
BMW Alpina B723
BMW 330e15
BMW 330e xDrive17
BMW m760i xDrive25
BMW X3 M25
BMW X3 M competition23.5
BMW X4 M25
BMW X4 M competition19
BMW 745e xDrive22

2. BMW X-Series Models

Fuel Consumption

ModelCombined MPG (City/Highway)Gallons/100 Miles
BMW 740i25 (22/29)4.0
BMW X5 Xdrive 45e20 (16/24)4.0
BMW 230i Xdrive Coupe24 (21/30)4.2
BMW 228i Xdrive Gran Coupe27 (23/33)3.8
BMW 235i Xdrive Gran Coupe26 (23/32)2.8
BMW X3 Sdrive 30i27 (25/29)3.7
BMW X5 Sdrive 40i23 (21/26)4.3
BMW X6 Sdrive 40i23 (21/26)4.3
BMW X5 Xdrive 40i23 (21/25)4.3
BMW X5 M50i18 (16/22)5.6
BMW X5 M15 (13/18)6.7
BMW X5 M Competition15 (13/18)6.7
BMW X6 Xdrive 40i23 (21/25)4.3
BMW X6 M 50i18 (16/22)5.6
BMW X6 M15 (13/18)6.7
BMW X6 M Competition15 (13/18)6.7
BMW X7 Xdrive 40i21 (19/24)4.8

Fuel Capacity

ModelFuel Capacity (Gallons)
BMW X5 xDrive 45e25
BMW 230i xDrive coupe17.5
BMW 228i xDrive gran coupe17.5
BMW 235i xDrive gran coupe15.8
BMW X3 sDrive 30i23
BMW X5 sDrive 40i24
BMW X6 sDrive 40i25
BMW X5 xDrive 40i25
BMW X5 M50i25
BMW X5 M25
BMW X5 M competition25
BMW X6 xDrive 40i25
BMW X6 M 50i25
BMW X6 M25
BMW X6 M Competition25
BMW X7 xDrive 40i25
BMW X7 M 50i25

3. BMW Sedan Models

Fuel Consumption

ModelCombined MPG (City/Highway)Gallons/100 Miles
BMW Alpina XB717 (15/21)5.9
BMW 203i Coupe25 (21/32)4.0
BMW 240i Coupe26 (21/30)4.2
BMW 240i Coupe Manual21 (19/27)4.8
BMW M240i Xdrive Coupe24 (21/30)42.
BMW M240i Convertible24 (21/30)4.2
BMW M240i Convertible21 (19/27)4.8
BMW M240i Xdrive Convertible24 (21/30)4.2
BMW M2 Competition Coupe20 (18/24)5.0
BMW 503i28 (25/33)3.6
BMW M550i Xdrive20 (17/25)5.0
BMW X1 Xdrive 28i26 (23/31)3.8
BMW Sdrive 28i27 (24/33)3.7
BMW X3 Xdrive 30i25 (23/29)4.0
BMW X3 M40i23 (21/27)4.3
BMW X4 Xdrive 30i25 (23/29)4.0
BMW X4 M40i23 (21/27)4.3
BMW Z4 M40i25 (22/30)4.0
BMW 230i Convertible27 (23/33)3.7
BMW M2 Competition Coupe19 (16/23)5.3
BMW 840i Coupe25 (23/30)4.0
BMW 840i Xdrive Coupe23 (20/27)4.3
BMW 840i Xdrive Convertible23 (20/27)4.3
BMW M8 Competition Convertible17 (15/21)5.9
BMW M340i Xdrive26 (23/32)3.8

Fuel Capacity

ModelFuel Capacity (Gallons)
BMW Alpina XB725
BMW 203i coupe19
BMW 240i coupe19
BMW 240i coupe manual19
BMW M240i xDrive coupe19
BMW M240i convertible19
BMW M240i convertible19
BMW M240i xDrive convertible19
BMW M2 competition coupe19
BMW 503i23
BMW M550i xDrive23
BMW X1 xDrive 28i23
BMW sDrive 28i19
BMW X3 xDrive 30i23
BMW X3 m40i23
BMW x4 xDrive 30i23
BMW x4 m40i23
BMW z4 m40i19
BMW 230i convertible17.5
BMW m2 competition coupe17.5
BMW 840i coupe25

4. BMW Performance Models

Fuel Consumption

ModelMPG Combined (City/Highway)Gallons/100 Miles
BMW X2 Xdrive 28i25 (22/31)4.0
BMW X2 M35i27 (24/31)3.7
BMW 530i Xdrive26 (23/30)3.8
BMW M527 (23/32)3.7
BMW M5 Competition26 (23/31)3.8
BMW 840i Xdrive Gran Coupe23 (20/27)4.3
BMW M8 Gran Coupe17 (15/21)5.9
BMW M8 Competition Gran Coupe17 (15/21)5.9
BMW Z4 Sdrive 30i28 (25/32)3.6
BMW 230i Coupe28 (25/32)3.6
BMW 840i Convertible25 (22/29)4.0
BMW 540i27 (25/32)3.7

Fuel Capacity

ModelFuel Capacity (Gallons)
BMW 840i xDrive coupe25
BMW 840i xDrive convertible25
BMW m8 competition convertible23
BMW m340i xDrive19
BMW x2 xDrive 28i19
BMW x2 m35i17.5
BMW 530i xDrive23
BMW m523
BMW m5 competition23
BMW 840i xDrive gran coupe23

5. BMW Gran Coupe Models

Fuel Consumption

ModelMPG Combined (City/Highway)Gallons/100 Miles
BMW 840i Gran Coupe29 (22/29)4.0
BMW 430i Coupe29 (26/34)3.4
BMW 430i Xdrive Coupe27 (24/33)3.7
BMW 330i30 (26/36)3.6
BMW 330i Xdrive28 (25/34)3.6
BMW X2 Sdrive 28i27 (24/32)3.7
BMW 440i Xdrive Coupe25 (22/31)4.0
BMW M850i Xdrive Convertible19 (17/24)5.3
BMW M850i Xdrive Gran Coupe19 (17/24)5.3
BMW M4 Coupe19 (16/23)5.3
BMW M4 Competition Coupe19 (16/23)5.3
BMW 228i Gran Coupe28 (24/33)3.6
BMW M319 (16/23)5.3
BMW M3 Competition19 (16/23)5.3
BMW 230i Xdrive Convertible24 (21/30)4.2
BMW M850i Xdrive Coupe20 (17/25)5.0
BMW I3s113 (102/124)30Kwh

Fuel Capacity

ModelFuel Capacity (Gallons)
BMW m8 gran coupe25
BMW m8 competition gran coupe25
BMW z4 sDrive 30i19
BMW 230i coupe17.5
BMW 840i convertible23
BMW 540i23
BMW 840i gran coupe23
BMW 430i coupe19
BMW 430i xDrive coupe19
BMW 330i17.5
BMW 330i xDrive17.5
BMW X2 sDrive 28i19
BMW 440i xDrive coupe19
BMW M850i xDrive convertible23
BMW M850i xDrive gran coupe23
BMW m4 coupe23
BMW m4 competition coupe23
BMW 228i gran coupe17.5
BMW m319
BMW m3 competition19
BMW 230i xDrive convertible17.5
BMW M850i xDrive coupe23
BMW i3s0

6. BMW Convertible & Electric Models

Fuel Consumption

ModelMPG Combined (City/Highway)Gallons/100 Miles
BMW 530e26 (22/30)3.8
BMW 530e Xdrive25 (21/29)4.0
BMW X3 Xdrive 30e24 (20/28)4.0
BMW I3 With Range Extension27 (31/35)3.2
BMW M8 Convertible17 (15/21)5.9
BMW 430i Convertible27 (24/33)3.7
BMW 440i Convertible26 (23/31)3.8
BMW I3113 (102/124)30kWH

Fuel Capacity

ModelFuel Capacity (Gallons)
BMW 530e15
BMW 530e xDrive15
BMW x3 xDrive 30e15
BMW i3 with range extension15
BMW m8 convertible23
BMW 430i convertible23
BMW 440i convertible23
BMW i30

Is BMW’s Fuel Consumption & Capacity Good?

Considering that BMWs are luxury cars, their fuel consumption and capacity are decent. They are globally revered for its fuel economy, lowering the financial burden on the customer while protecting the environment.

Their latest cars are famed for their large fuel tank and low miles per gallon figures, meaning range anxiety will never present itself as an issue.


BMW is an outstanding car company in most areas, but also when it comes to fuel efficiency. Modern BMW models are still associated with speed, luxury, and aesthetic appeal; however, their modern cars are renowned for their remarkable fuel economy and reduced environmental impact.

If you purchase a BMW, you can expect on average a 25 MPG in a car with a 21-gallon size tank.

I listed the weight of all the available BMW models here and the horsepower of all their cars in this post.