2021 BMW 8 Series Specs, MPG & Trims

EPA fuel-economy data and specifications for the 2021 BMW 8 Series (20–25 MPG combined) across 7 listed configurations.

Overview

Body class
Subcompact Cars, Midsize Cars
Drive
Rear-Wheel Drive, All-Wheel Drive
Engine
6-cyl, 3.0 L; 8-cyl, 4.4 L
Fuel type
Premium Gasoline
Combined MPG
20–25 MPG
Annual fuel cost
$3,300–$4,100
Configurations
7

MPG & fuel economy

City, highway and combined values below are EPA estimates. Where a powertrain has several configurations, the table shows the lowest–highest reported value. Electric configurations use MPGe.

EPA city, highway and combined ratings by powertrain for the 2021 BMW 8 Series. Electric configurations are rated in MPGe.
PowertrainCityHighwayCombinedAnnual fuel costCO2
6-cyl 3.0 L · Premium Gasoline · All-Wheel Drive202723$3,550387 g/mi
8-cyl 4.4 L · Premium Gasoline · All-Wheel Drive172520$4,100439 g/mi
6-cyl 3.0 L · Premium Gasoline · Rear-Wheel Drive22–2329–3025$3,300347–360 g/mi

Configurations & engine comparison

Each row is one configuration/engine combination reported by the EPA for this model year. Missing EPA values are shown as —.

Every EPA-listed configuration for the 2021 BMW 8 Series (7 rows). "Configuration" is the EPA configuration/engine name.
Configuration / engineDriveTransmissionCyl.Displ. (L)Fuel typeCityHwyComb.Annual cost
840i ConvertibleRear-Wheel DriveAutomatic (S8)63.0Premium Gasoline222925$3,300
840i CoupeRear-Wheel DriveAutomatic (S8)63.0Premium Gasoline233025$3,300
840i Gran CoupeRear-Wheel DriveAutomatic (S8)63.0Premium Gasoline222925$3,300
840i xDrive ConvertibleAll-Wheel DriveAutomatic (S8)63.0Premium Gasoline202723$3,550
840i xDrive CoupeAll-Wheel DriveAutomatic (S8)63.0Premium Gasoline202723$3,550
840i xDrive Gran CoupeAll-Wheel DriveAutomatic (S8)63.0Premium Gasoline202723$3,550
M850i xDrive CoupeAll-Wheel DriveAutomatic (S8)84.4Premium Gasoline172520$4,100

Frequently asked questions

What is the combined MPG of the 2021 BMW 8 Series?

According to EPA data, the 2021 BMW 8 Series is rated at 20–25 MPG combined for its conventional-fuel configurations.

How many cylinders does the 2021 BMW 8 Series have?

The EPA data lists 6 and 8 cylinders across its configurations.

What fuel type does the 2021 BMW 8 Series use?

It uses Premium Gasoline.

What is the annual fuel cost of the 2021 BMW 8 Series?

The EPA estimates annual fuel costs ranging from $3,300 to $4,100.