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BMW M340i Gas Mileage (2020 - 2025): Comprehensive Fuel Economy Data

Researched By The AutoPadre Research Team

Last Updated 2024-12-28

The BMW M340i gas mileage is 26 to 30 miles per gallon as specified in our data below, organized by trim, option package, and model year.

For example, the 2020 BMW M340i trim model has a combined gas mileage of 26 miles per gallon, while the 2025 BMW M340i xDrive has a combined gas mileage of 30 miles per gallon.

In the city, the M340i gas mileage is 22 to 27 miles per gallon depending on the trim and model year.

On the highway, the M340i gas mileage is 30 to 33 miles per gallon depending on the trim and model year.

Note: The gas mileage shown for hybrid vehicles is the miles per gallon equivalent.

Check out the Gas Mileage specifications for other makes and models.

2025 BMW M340i Gas Mileage

The 2025 BMW M340i gas mileage is 30 miles per gallon combined.

In the city, the 2025 M340i gas mileage is from 26 to 27 miles per gallon, depending on the trim.

On the highway, the 2025 M340i gas mileage is 33 miles per gallon.

2025 BMW M340i Gas Mileage (Imperial)
Trim	Engine \| Transmission \| Drivetrain	City \| Highway \| Combined Mileage
xDrive Hybrid	3.0L \| Turbo \| 6 Cyl. \| Hybrid \| 8 Spd Auto w/OD \| AWD	26 city mpg \| 33 hwy mpg \| 30 combined mpg
Hybrid	3.0L \| Turbo \| 6 Cyl. \| Hybrid \| 8 Spd Auto w/OD \| RWD	27 city mpg \| 33 hwy mpg \| 30 combined mpg

2025 BMW M340i Gas Mileage (Metric)
Trim	Engine \| Transmission \| Drivetrain	City \| Highway \| Combined Mileage
xDrive Hybrid	3.0L \| Turbo \| 6 Cyl. \| Hybrid \| 8 Spd Auto w/OD \| AWD	9.0 city L/100 km \| 7.1 hwy L/100 km \| 7.8 combined L/100 km
Hybrid	3.0L \| Turbo \| 6 Cyl. \| Hybrid \| 8 Spd Auto w/OD \| RWD	8.7 city L/100 km \| 7.1 hwy L/100 km \| 7.8 combined L/100 km

2024 BMW M340i Gas Mileage

The 2024 BMW M340i gas mileage is 27 miles per gallon combined.

In the city, the 2024 M340i gas mileage is 23 miles per gallon.

On the highway, the 2024 M340i gas mileage is 31 miles per gallon.

2024 BMW M340i Gas Mileage (Imperial)
Trim	Engine \| Transmission \| Drivetrain	City \| Highway \| Combined Mileage
xDrive Luxury	3.0L \| Turbo \| 6 Cyl. \| Hybrid \| 8 Spd Auto w/OD \| AWD	23 city mpg \| 31 hwy mpg \| 27 combined mpg
Luxury	3.0L \| Turbo \| 6 Cyl. \| Hybrid \| 8 Spd Auto w/OD \| RWD	23 city mpg \| 31 hwy mpg \| 27 combined mpg

2024 BMW M340i Gas Mileage (Metric)
Trim	Engine \| Transmission \| Drivetrain	City \| Highway \| Combined Mileage
xDrive Luxury	3.0L \| Turbo \| 6 Cyl. \| Hybrid \| 8 Spd Auto w/OD \| AWD	10.2 city L/100 km \| 7.6 hwy L/100 km \| 8.7 combined L/100 km
Luxury	3.0L \| Turbo \| 6 Cyl. \| Hybrid \| 8 Spd Auto w/OD \| RWD	10.2 city L/100 km \| 7.6 hwy L/100 km \| 8.7 combined L/100 km

2023 BMW M340i Gas Mileage

Depending on trim level, the 2023 BMW M340i gas mileage is from 27 to 27.5 miles per gallon combined.

In the city, the 2023 M340i gas mileage is 23 miles per gallon.

On the highway, the 2023 M340i gas mileage is from 31 to 32 miles per gallon, depending on the trim.

2023 BMW M340i Gas Mileage (Imperial)
Trim	Engine \| Transmission \| Drivetrain	City \| Highway \| Combined Mileage
xDrive Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| AWD	23 city mpg \| 32 hwy mpg \| 27.5 combined mpg
Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| RWD	23 city mpg \| 31 hwy mpg \| 27 combined mpg

2023 BMW M340i Gas Mileage (Metric)
Trim	Engine \| Transmission \| Drivetrain	City \| Highway \| Combined Mileage
xDrive Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| AWD	10.0 city L/100 km \| 7.0 hwy L/100 km \| 9.0 combined L/100 km
Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| RWD	10.0 city L/100 km \| 8.0 hwy L/100 km \| 9.0 combined L/100 km

2022 BMW M340i Gas Mileage

The 2022 BMW M340i gas mileage is 27.5 miles per gallon combined.

In the city, the 2022 M340i gas mileage is 23 miles per gallon.

On the highway, the 2022 M340i gas mileage is 32 miles per gallon.

2022 BMW M340i Gas Mileage (Imperial)
Trim	Engine \| Transmission \| Drivetrain	City \| Highway \| Combined Mileage
xDrive North America Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| AWD	23 city mpg \| 32 hwy mpg \| 27.5 combined mpg
xDrive Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| AWD	23 city mpg \| 32 hwy mpg \| 27.5 combined mpg
North America Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| RWD	23 city mpg \| 32 hwy mpg \| 27.5 combined mpg
Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| RWD	23 city mpg \| 32 hwy mpg \| 27.5 combined mpg

2022 BMW M340i Gas Mileage (Metric)
Trim	Engine \| Transmission \| Drivetrain	City \| Highway \| Combined Mileage
xDrive North America Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| AWD	10.0 city L/100 km \| 7.0 hwy L/100 km \| 9.0 combined L/100 km
xDrive Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| AWD	10.0 city L/100 km \| 7.0 hwy L/100 km \| 9.0 combined L/100 km
North America Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| RWD	10.0 city L/100 km \| 7.0 hwy L/100 km \| 9.0 combined L/100 km
Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| RWD	10.0 city L/100 km \| 7.0 hwy L/100 km \| 9.0 combined L/100 km

2021 BMW M340i Gas Mileage

Depending on trim level, the 2021 BMW M340i gas mileage is from 26.5 to 27.5 miles per gallon combined.

In the city, the 2021 M340i gas mileage is from 22 to 23 miles per gallon, depending on the trim.

On the highway, the 2021 M340i gas mileage is from 31 to 32 miles per gallon, depending on the trim.

2021 BMW M340i Gas Mileage (Imperial)
Trim	Engine \| Transmission \| Drivetrain	City \| Highway \| Combined Mileage
3 Series Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| AWD	22 city mpg \| 31 hwy mpg \| 26.5 combined mpg
3 Series Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| RWD	23 city mpg \| 32 hwy mpg \| 27.5 combined mpg

2021 BMW M340i Gas Mileage (Metric)
Trim	Engine \| Transmission \| Drivetrain	City \| Highway \| Combined Mileage
3 Series Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| AWD	11.0 city L/100 km \| 8.0 hwy L/100 km \| 9.0 combined L/100 km
3 Series Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| RWD	10.0 city L/100 km \| 7.0 hwy L/100 km \| 9.0 combined L/100 km

2020 BMW M340i Gas Mileage

The 2020 BMW M340i gas mileage is 26 miles per gallon combined.

In the city, the 2020 M340i gas mileage is 22 miles per gallon.

On the highway, the 2020 M340i gas mileage is 30 miles per gallon.

2020 BMW M340i Gas Mileage (Imperial)
Trim	Engine \| Transmission \| Drivetrain	City \| Highway \| Combined Mileage
Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| AWD	22 city mpg \| 30 hwy mpg \| 26 combined mpg
Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| RWD	22 city mpg \| 30 hwy mpg \| 26 combined mpg
xDrive Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| AWD	22 city mpg \| 30 hwy mpg \| 26 combined mpg
North America Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| RWD	22 city mpg \| 30 hwy mpg \| 26 combined mpg
Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| RWD	22 city mpg \| 30 hwy mpg \| 26 combined mpg

2020 BMW M340i Gas Mileage (Metric)
Trim	Engine \| Transmission \| Drivetrain	City \| Highway \| Combined Mileage
Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| AWD	11.0 city L/100 km \| 8.0 hwy L/100 km \| 9.0 combined L/100 km
Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| RWD	11.0 city L/100 km \| 8.0 hwy L/100 km \| 9.0 combined L/100 km
xDrive Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| AWD	11.0 city L/100 km \| 8.0 hwy L/100 km \| 9.0 combined L/100 km
North America Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| RWD	11.0 city L/100 km \| 8.0 hwy L/100 km \| 9.0 combined L/100 km
Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| RWD	11.0 city L/100 km \| 8.0 hwy L/100 km \| 9.0 combined L/100 km

BMW M340i Gas Mileage Data Brought To You By AutoPadre

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Trim	Engine \| Transmission \| Drivetrain	City \| Highway \| Combined Mileage
xDrive Hybrid	3.0L \| Turbo \| 6 Cyl. \| Hybrid \| 8 Spd Auto w/OD \| AWD	26 city mpg \| 33 hwy mpg \| 30 combined mpg
Hybrid	3.0L \| Turbo \| 6 Cyl. \| Hybrid \| 8 Spd Auto w/OD \| RWD	27 city mpg \| 33 hwy mpg \| 30 combined mpg

Trim	Engine \| Transmission \| Drivetrain	City \| Highway \| Combined Mileage
xDrive Hybrid	3.0L \| Turbo \| 6 Cyl. \| Hybrid \| 8 Spd Auto w/OD \| AWD	9.0 city L/100 km \| 7.1 hwy L/100 km \| 7.8 combined L/100 km
Hybrid	3.0L \| Turbo \| 6 Cyl. \| Hybrid \| 8 Spd Auto w/OD \| RWD	8.7 city L/100 km \| 7.1 hwy L/100 km \| 7.8 combined L/100 km

Trim	Engine \| Transmission \| Drivetrain	City \| Highway \| Combined Mileage
xDrive Luxury	3.0L \| Turbo \| 6 Cyl. \| Hybrid \| 8 Spd Auto w/OD \| AWD	23 city mpg \| 31 hwy mpg \| 27 combined mpg
Luxury	3.0L \| Turbo \| 6 Cyl. \| Hybrid \| 8 Spd Auto w/OD \| RWD	23 city mpg \| 31 hwy mpg \| 27 combined mpg

Trim	Engine \| Transmission \| Drivetrain	City \| Highway \| Combined Mileage
xDrive Luxury	3.0L \| Turbo \| 6 Cyl. \| Hybrid \| 8 Spd Auto w/OD \| AWD	10.2 city L/100 km \| 7.6 hwy L/100 km \| 8.7 combined L/100 km
Luxury	3.0L \| Turbo \| 6 Cyl. \| Hybrid \| 8 Spd Auto w/OD \| RWD	10.2 city L/100 km \| 7.6 hwy L/100 km \| 8.7 combined L/100 km

Trim	Engine \| Transmission \| Drivetrain	City \| Highway \| Combined Mileage
xDrive Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| AWD	23 city mpg \| 32 hwy mpg \| 27.5 combined mpg
Sedan	3.0L \| Intercooled Turbo \| I6 \| 8 Spd Auto w/OD \| RWD	23 city mpg \| 31 hwy mpg \| 27 combined mpg

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