BMW 840i Gas Mileage (2020-2026)

The BMW 840i gas mileage is 23.5 to 26.5 miles per gallon as specified in our data below, organized by trim, option package, and model year.

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For example, the 2022 BMW 840i 8 Series xDrive trim model has a combined gas mileage of 23.5 miles per gallon, while the 2022 BMW 840i 8 Series has a combined gas mileage of 26.5 miles per gallon.

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In the city, the 840i gas mileage is 20 to 23 miles per gallon depending on the trim and model year.

On the highway, the 840i gas mileage is 27 to 30 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.

2026 BMW 840i Gas Mileage

The 2026 BMW 840i gas mileage is 24 miles per gallon combined.

In the city, the 2026 840i gas mileage is 21 miles per gallon.

On the highway, the 2026 840i gas mileage is 29 miles per gallon.

2025 BMW 840i Gas Mileage

The 2025 BMW 840i gas mileage is 25 miles per gallon combined.

In the city, the 2025 840i gas mileage is 21 miles per gallon.

On the highway, the 2025 840i gas mileage is 29 miles per gallon.

2024 BMW 840i Gas Mileage

The 2024 BMW 840i gas mileage is 25 miles per gallon combined.

In the city, the 2024 840i gas mileage is 21 miles per gallon.

On the highway, the 2024 840i gas mileage is 29 miles per gallon.

2023 BMW 840i Gas Mileage

The 2023 BMW 840i gas mileage is 25 miles per gallon combined.

In the city, the 2023 840i gas mileage is 21 miles per gallon.

On the highway, the 2023 840i gas mileage is 29 miles per gallon.

2022 BMW 840i Gas Mileage

Depending on trim level, the 2022 BMW 840i gas mileage is from 23.5 to 26.5 miles per gallon combined.

In the city, the 2022 840i gas mileage is from 20 to 23 miles per gallon, depending on the trim.

On the highway, the 2022 840i gas mileage is from 27 to 30 miles per gallon, depending on the trim.

2021 BMW 840i Gas Mileage

Depending on trim level, the 2021 BMW 840i gas mileage is from 25.5 to 26.5 miles per gallon combined.

In the city, the 2021 840i gas mileage is from 22 to 23 miles per gallon, depending on the trim.

On the highway, the 2021 840i gas mileage is from 29 to 30 miles per gallon, depending on the trim.

2020 BMW 840i Gas Mileage

Depending on trim level, the 2020 BMW 840i gas mileage is from 23.5 to 26.5 miles per gallon combined.

In the city, the 2020 840i gas mileage is from 20 to 23 miles per gallon, depending on the trim.

On the highway, the 2020 840i gas mileage is from 27 to 30 miles per gallon, depending on the trim.