2023 · Subcompact Car · Gas

2023 BMW 8 Series MPG & fuel economy

The 2023 BMW 8 Series is a subcompact car offered in 3 EPA-rated configurations. The most efficient version returns 24 MPG combined (21 city / 29 highway) on premium gasoline. Across the lineup, combined ratings range from 19 to 24 MPG. That's down 1 MPG from the 2022 model. Among 31 subcompact cars rated for 2023, it ranks 19th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,469 a year to fuel.

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Combined 24 MPG 21 MPG city · 29 MPG hwy

Driving range — not published for this model

Your fuel cost $2,469 15,000 mi/yr · $16.46 per 100 mi

Class rank, 2023 #19 of 31 Subcompact Cars by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Miles per year Premium gas $/gal

Fuel average

The 2023 BMW 8 Series's fuel average is 10.2 km/L (9.8 L/100 km), or 24 MPG combined: 8.9 km/L in the city and 12.3 km/L on the highway.

	MPG	km/L	L/100 km
City	21	8.9	11.2
Highway	29	12.3	8.1
Combined	24	10.2	9.8

How it ranks among 2023 Subcompact Cars

Full class ranking →

1BMW i4113 MPGe $805
2MINI Cooper EV110 MPGe $829
3Audi A3 Hybrid32 MPG $1,453
4MINI Cooper32 MPG $1,852
5Ford Mustang25 MPG $1,860
···
19BMW 8 Series24 MPG $2,469
···
31Mercedes-Benz SL-Class16 MPG $3,703

2023 8 SeriesOther subcompact carsClass median: $2,370/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

8 Series MPG across model years

Full history →

3 EPA-rated configurations

Configuration	Type	City	Hwy	Combined	Range	Your cost / yr
RWD · 3.0L 6-cyl turbo · 8-speed automatic 840i Coupe	Gas	21 MPG	29 MPG	24 MPG	—	$2,469
AWD · 3.0L 6-cyl turbo · 8-speed automatic 840i xDrive Coupe	Gas	21 MPG	29 MPG	24 MPG	—	$2,469
AWD · 4.4L 8-cyl turbo · 8-speed automatic M850i xDrive Coupe	Gas	17 MPG	24 MPG	19 MPG	—	$3,118

Specs (most efficient configuration)

Fuel: Premium gasoline
Engine / motor: 3.0L 6-cyl turbo
Transmission: 8-speed automatic
Drivetrain: RWD
Passenger volume: 81 cu ft
Cargo volume: 15 cu ft
Tailpipe CO₂: 373 g/mi
EPA fuel economy score: 5/10
EPA greenhouse gas score: 5/10

2023 BMW 8 Series vs. rivals

vs Audi S5 24 MPG · $2,469/yr Same fuel cost vs Mercedes-Benz C-Class 25 MPG · $2,370/yr C-Class saves $99/yr vs Lexus RC 25 MPG · $2,370/yr RC saves $99/yr vs Audi RS 23 MPG · $2,576/yr 8 Series saves $107/yr vs Audi S3 26 MPG · $2,279/yr S3 saves $190/yr vs Audi TTS Coupe 26 MPG · $2,279/yr TTS Coupe saves $190/yr vs Lexus LC 19 MPG · $3,118/yr 8 Series saves $650/yr vs Audi A5 Hybrid 28 MPG · $2,116/yr A5 Hybrid saves $353/yr vs Porsche 911 21 MPG · $2,821/yr 8 Series saves $353/yr vs Mercedes-Benz SL-Class 16 MPG · $3,703/yr 8 Series saves $1,234/yr vs Audi A3 Hybrid 32 MPG · $1,453/yr A3 Hybrid saves $1,016/yr

Compare the 2023 8 Series

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Frequently asked questions

What is the gas mileage of the 2023 BMW 8 Series?

Up to 24 MPG combined (21 city / 29 highway); ratings range from 19 to 24 MPG depending on configuration.

What fuel does the 2023 BMW 8 Series use?

Premium gasoline (premium is required or recommended by the manufacturer).

What is the fuel average in km/L for the 2023 BMW 8 Series?