BMW 840i Gas Mileage (2020 - 2023)

Researched By AutoPadre

Last Updated 2023-04-01

BMW 840i Gas Mileage Overview

The BMW 840i gas mileage is from 23.5 miles per gallon (10.0 liters per 100 km) to 26.5 miles per gallon (8.9 liters per 100 km) combined (city and highway) depending on the trim and model year.

For example, the 2022 BMW 840i 8 Series xDrive trim model has a combined gas mileage of 23.5 miles per gallon (10.0 liters per 100 km), while the 2022 BMW 840i 8 Series has a combined gas mileage of 26.5 miles per gallon (8.9 liters per 100 km).

In the city, the BMW 840i gas mileage is from 20 miles per gallon (11.8 liters per 100 km) to 23 miles per gallon (10.2 liters per 100 km) depending on the trim and model year.

On the highway, the BMW 840i gas mileage is from 27 miles per gallon (8.7 liters per 100 km) to 30 miles per gallon (7.8 liters per 100 km) depending on the trim and model year.

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

BMW 840i Gas Mileage
YearTrimEngineCity Mileage (Imp.)Highway Mileage (Imp.)Combined Mileage (Imp.)City Mileage (Metric)Highway Mileage (Metric)Combined Mileage (Metric)Drivetrain / TransmissionHP / Torque
20238 Series3.0L I621 mpg29 mpg25 mpg11.2 L/100 km8.1 L/100 km9.4 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
20238 Series Gran3.0L I621 mpg29 mpg25 mpg11.2 L/100 km8.1 L/100 km9.4 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
20238 Series xDrive3.0L I621 mpg29 mpg25 mpg11.2 L/100 km8.1 L/100 km9.4 L/100 kmAWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
20238 Series xDrive Gran3.0L I621 mpg29 mpg25 mpg11.2 L/100 km8.1 L/100 km9.4 L/100 kmAWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
20228 Series3.0L I622 mpg29 mpg25.5 mpg10.7 L/100 km8.1 L/100 km9.2 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
20228 Series3.0L I623 mpg30 mpg26.5 mpg10.2 L/100 km7.8 L/100 km8.9 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
20228 Series Gran3.0L I622 mpg29 mpg25.5 mpg10.7 L/100 km8.1 L/100 km9.2 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
20228 Series xDrive3.0L I620 mpg27 mpg23.5 mpg11.8 L/100 km8.7 L/100 km10.0 L/100 kmAWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
20228 Series xDrive Gran3.0L I620 mpg27 mpg23.5 mpg11.8 L/100 km8.7 L/100 km10.0 L/100 kmAWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
20218 Series3.0L I622 mpg29 mpg25.5 mpg10.7 L/100 km8.1 L/100 km9.2 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
20218 Series3.0L I623 mpg30 mpg26.5 mpg10.2 L/100 km7.8 L/100 km8.9 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
20203.0L I622 mpg29 mpg25.5 mpg11.0 L/100 km8.0 L/100 km9.5 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
20203.0L I623 mpg30 mpg26.5 mpg10.0 L/100 km8.0 L/100 km9.0 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
2020Gran3.0L I622 mpg29 mpg25.5 mpg11.0 L/100 km8.0 L/100 km9.5 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
2020xDrive3.0L I620 mpg27 mpg23.5 mpg12.0 L/100 km9.0 L/100 km10.5 L/100 kmAWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
2020xDrive3.0L I621 mpg27 mpg24 mpg11.0 L/100 km9.0 L/100 km10.0 L/100 kmAWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
BMW 840i Gas Mileage Data Brought To You By AutoPadre
BMW 840i Gas Mileage Data Brought To You By AutoPadre

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

BMW 840i Gas Mileage: Jump To Model Year

2020's

2023 BMW 840i Gas Mileage

Combined Mileage

The 2023 BMW 840i gas mileage is 25 miles per gallon (9.4 liters per 100 km) combined.

City Mileage

In the city, the 2023 BMW 840i gas mileage is 21 miles per gallon (11.2 liters per 100 km).

Highway Mileage

On the highway, the 2023 BMW 840i gas mileage is 29 miles per gallon (8.1 liters per 100 km).

Combined - City - Highway Table Data

2023 BMW 840i Gas Mileage
TrimEngineCity Mileage (Imp.)Highway Mileage (Imp.)Combined Mileage (Imp.)City Mileage (Metric)Highway Mileage (Metric)Combined Mileage (Metric)Drivetrain / TransmissionHP / Torque
8 Series3.0L I621 mpg29 mpg25 mpg11.2 L/100 km8.1 L/100 km9.4 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
8 Series Gran3.0L I621 mpg29 mpg25 mpg11.2 L/100 km8.1 L/100 km9.4 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
8 Series xDrive3.0L I621 mpg29 mpg25 mpg11.2 L/100 km8.1 L/100 km9.4 L/100 kmAWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
8 Series xDrive Gran3.0L I621 mpg29 mpg25 mpg11.2 L/100 km8.1 L/100 km9.4 L/100 kmAWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
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2022 BMW 840i Gas Mileage

Combined Mileage

Depending on trim level, the 2022 BMW 840i gas mileage is from 23.5 miles per gallon (10.0 liters per 100 km) to 26.5 miles per gallon (8.9 liters per 100 km) combined.

City Mileage

In the city, the 2022 BMW 840i gas mileage is from 20 miles per gallon (11.8 liters per 100 km) to 23 miles per gallon (10.2 liters per 100 km), depending on the trim.

Highway Mileage

On the highway, the 2022 BMW 840i gas mileage is from 27 miles per gallon (8.7 liters per 100 km) to 30 miles per gallon (7.8 liters per 100 km), depending on the trim.

Combined - City - Highway Table Data

2022 BMW 840i Gas Mileage
TrimEngineCity Mileage (Imp.)Highway Mileage (Imp.)Combined Mileage (Imp.)City Mileage (Metric)Highway Mileage (Metric)Combined Mileage (Metric)Drivetrain / TransmissionHP / Torque
8 Series3.0L I622 mpg29 mpg25.5 mpg10.7 L/100 km8.1 L/100 km9.2 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
8 Series3.0L I623 mpg30 mpg26.5 mpg10.2 L/100 km7.8 L/100 km8.9 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
8 Series Gran3.0L I622 mpg29 mpg25.5 mpg10.7 L/100 km8.1 L/100 km9.2 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
8 Series xDrive3.0L I620 mpg27 mpg23.5 mpg11.8 L/100 km8.7 L/100 km10.0 L/100 kmAWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
8 Series xDrive Gran3.0L I620 mpg27 mpg23.5 mpg11.8 L/100 km8.7 L/100 km10.0 L/100 kmAWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs

2021 BMW 840i Gas Mileage

Combined Mileage

Depending on trim level, the 2021 BMW 840i gas mileage is from 25.5 miles per gallon (9.2 liters per 100 km) to 26.5 miles per gallon (8.9 liters per 100 km) combined.

City Mileage

In the city, the 2021 BMW 840i gas mileage is from 22 miles per gallon (10.7 liters per 100 km) to 23 miles per gallon (10.2 liters per 100 km), depending on the trim.

Highway Mileage

On the highway, the 2021 BMW 840i gas mileage is from 29 miles per gallon (8.1 liters per 100 km) to 30 miles per gallon (7.8 liters per 100 km), depending on the trim.

Combined - City - Highway Table Data

2021 BMW 840i Gas Mileage
TrimEngineCity Mileage (Imp.)Highway Mileage (Imp.)Combined Mileage (Imp.)City Mileage (Metric)Highway Mileage (Metric)Combined Mileage (Metric)Drivetrain / TransmissionHP / Torque
8 Series3.0L I622 mpg29 mpg25.5 mpg10.7 L/100 km8.1 L/100 km9.2 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
8 Series3.0L I623 mpg30 mpg26.5 mpg10.2 L/100 km7.8 L/100 km8.9 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs

Side-By-Side Comparisons

BMW 840i Gas Mileage By Year

2020 vs. 2022

2021 vs. 2023

AutoPadre

2020 BMW 840i Gas Mileage

Combined Mileage

Depending on trim level, the 2020 BMW 840i gas mileage is from 23.5 miles per gallon (10.5 liters per 100 km) to 26.5 miles per gallon (9.0 liters per 100 km) combined.

City Mileage

In the city, the 2020 BMW 840i gas mileage is from 20 miles per gallon (12.0 liters per 100 km) to 23 miles per gallon (10.0 liters per 100 km), depending on the trim.

Highway Mileage

On the highway, the 2020 BMW 840i gas mileage is from 27 miles per gallon (9.0 liters per 100 km) to 30 miles per gallon (8.0 liters per 100 km), depending on the trim.

Combined - City - Highway Table Data

2020 BMW 840i Gas Mileage
TrimEngineCity Mileage (Imp.)Highway Mileage (Imp.)Combined Mileage (Imp.)City Mileage (Metric)Highway Mileage (Metric)Combined Mileage (Metric)Drivetrain / TransmissionHP / Torque
3.0L I622 mpg29 mpg25.5 mpg11.0 L/100 km8.0 L/100 km9.5 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
3.0L I623 mpg30 mpg26.5 mpg10.0 L/100 km8.0 L/100 km9.0 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
Gran3.0L I622 mpg29 mpg25.5 mpg11.0 L/100 km8.0 L/100 km9.5 L/100 kmRWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
xDrive3.0L I620 mpg27 mpg23.5 mpg12.0 L/100 km9.0 L/100 km10.5 L/100 kmAWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
xDrive3.0L I621 mpg27 mpg24 mpg11.0 L/100 km9.0 L/100 km10.0 L/100 kmAWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs
xDrive Gran3.0L I620 mpg27 mpg23.5 mpg12.0 L/100 km9.0 L/100 km10.5 L/100 kmAWD / 8 Spd Auto w/OD335 HP / 368 ft/lbs

BMW 840i Other Specs

Maintenance Data

Colors

Battery Size

Handling Data

Turning Radius

Tire Size

Internal Dimensions

Cargo Space

Headroom

Legroom

Seating Capacity

External Dimensions

Ground Clearance

L x W x H

Weight

Fuel Efficiency

Gas Tank Size

Power and Hauling

Horsepower

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