- Newest year: 2026
- Gas
- Small cars
2020-2026 BMW 8 Series MPG & Fuel Cost
7 model years · 19–25 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 4 of 10 small car configurations, MY2026. Ranked against all rated configurations, not sales-weighted.
2020-2026 BMW 8 Series at a glance
The 2020-2026 BMW 8 Series covers 7 model years in the EPA database (62 configurations in all), rated 19–25 MPG combined. The newest model year, 2026, costs about $3,340 a year to fuel for its most efficient version, the 840i Coupe 3.0L 6-cyl turbo RWD (24 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2021, 2022, 2023, 2024, 2025 and 2026. The best combined rating in the generation, 25 MPG, was reached in 2020, 2021 and 2022.
2020-2026 BMW 8 Series by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2026 | Gas | 19–24 MPG | $3,340–$4,160 | Ratings changed |
| 2025 | Gas | 19–24 MPG | $3,340–$4,180 | Ratings changed |
| 2024 | Gas | 19–24 MPG | $3,380–$4,170 | Ratings changed |
| 2023 | Gas | 19–24 MPG | $3,380–$4,170 | Ratings changed |
| 2022 | Gas | 19–25 MPG | $3,150–$4,130 | Ratings changed |
| 2021 | Gas | 20–25 MPG | $3,150–$4,010 | Ratings changed |
| 2020 | Gas | 23–25 MPG | $3,150–$3,540 | First year |
What the 2026 840i Coupe 3.0L 6-cyl turbo RWD costs to drive
Per month
$278
$3,340 a year ÷ 12
Per 25 miles
$5.57
Per 100 miles
$22.27
Five years
$16,700
5 × the yearly cost, prices held at today's level
vs the small car median
$440more a year
Class median $2,900 a year, MY2026
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2026 BMW 8 Series MPG
Versus 2025: The most efficient configuration stays at 24 MPG. Its annual cost stays at $3,340.
Gas configurations (9)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| 840i Coupe (Most efficient) | 3.0L 6-cyl turbo | RWD | 21 | 29 | 24 | $3,340 |
| 840i Convertible | 3.0L 6-cyl turbo | RWD | 21 | 29 | 24 | $3,340 |
| 840i Gran Coupe | 3.0L 6-cyl turbo | RWD | 21 | 29 | 24 | $3,340 |
| 840i xDrive Coupe | 3.0L 6-cyl turbo | AWD | 21 | 29 | 24 | $3,390 |
| 840i xDrive Convertible | 3.0L 6-cyl turbo | AWD | 21 | 29 | 24 | $3,390 |
| 840i xDrive Gran Coupe | 3.0L 6-cyl turbo | AWD | 21 | 29 | 24 | $3,390 |
| M850i xDrive Coupe | 4.4L 8-cyl turbo | AWD | 17 | 24 | 19 | $4,160 |
| M850i xDrive Convertible | 4.4L 8-cyl turbo | AWD | 17 | 24 | 19 | $4,160 |
| M850i xDrive Gran Coupe | 4.4L 8-cyl turbo | AWD | 17 | 24 | 19 | $4,160 |
9 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2025 BMW 8 Series MPG
19–24 MPG · $3,340–$4,180/yr
Versus 2024: The most efficient configuration stays at 24 MPG. Its annual cost goes from $3,380 to $3,340, $40 less.
Gas configurations (10)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| 840i Coupe (Most efficient) | 3.0L 6-cyl turbo | RWD | 21 | 29 | 24 | $3,340 |
| 840i Convertible | 3.0L 6-cyl turbo | RWD | 21 | 29 | 24 | $3,340 |
| 840i Gran Coupe | 3.0L 6-cyl turbo | RWD | 21 | 29 | 24 | $3,340 |
| 840i xDrive Coupe | 3.0L 6-cyl turbo | AWD | 21 | 29 | 24 | $3,390 |
| 840i xDrive Convertible | 3.0L 6-cyl turbo | AWD | 21 | 29 | 24 | $3,390 |
| 840i xDrive Gran Coupe | 3.0L 6-cyl turbo | AWD | 21 | 29 | 24 | $3,390 |
Show 0 more configurations
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| M850i xDrive Coupe | 4.4L 8-cyl turbo | AWD | 17 | 24 | 19 | $4,160 |
| M850i xDrive Convertible | 4.4L 8-cyl turbo | AWD | 17 | 24 | 19 | $4,180 |
| M850i xDrive Gran Coupe | 4.4L 8-cyl turbo | AWD | 17 | 24 | 19 | $4,180 |
| Alpina B8 Gran Coupe | 4.4L 8-cyl turbo | AWD | 17 | 24 | 19 | $4,180 |
10 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2024 BMW 8 Series MPG
19–24 MPG · $3,380–$4,170/yr
Versus 2023: The most efficient configuration stays at 24 MPG. Its annual cost stays at $3,380.
Gas configurations (10)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| 840i Coupe (Most efficient) | 3.0L 6-cyl turbo | RWD | 21 | 29 | 24 | $3,380 |
| 840i xDrive Coupe | 3.0L 6-cyl turbo | AWD | 21 | 29 | 24 | $3,390 |
| 840i Convertible | 3.0L 6-cyl turbo | RWD | 21 | 29 | 24 | $3,390 |
| 840i Gran Coupe | 3.0L 6-cyl turbo | RWD | 21 | 29 | 24 | $3,390 |
| 840i xDrive Convertible | 3.0L 6-cyl turbo | AWD | 21 | 29 | 24 | $3,400 |
| 840i xDrive Gran Coupe | 3.0L 6-cyl turbo | AWD | 21 | 29 | 24 | $3,400 |
Show 0 more configurations
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| M850i xDrive Coupe | 4.4L 8-cyl turbo | AWD | 17 | 24 | 19 | $4,170 |
| M850i xDrive Convertible | 4.4L 8-cyl turbo | AWD | 17 | 24 | 19 | $4,170 |
| M850i xDrive Gran Coupe | 4.4L 8-cyl turbo | AWD | 17 | 24 | 19 | $4,170 |
| Alpina B8 Gran Coupe | 4.4L 8-cyl turbo | AWD | 17 | 24 | 19 | $4,170 |
10 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2023 BMW 8 Series MPG
19–24 MPG · $3,380–$4,170/yr
Versus 2022: The most efficient configuration moves from 25 to 24 MPG, down 1. Its annual cost goes from $3,150 to $3,380, $230 more.
Gas configurations (10)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| 840i Coupe (Most efficient) | 3.0L 6-cyl turbo | RWD | 21 | 29 | 24 | $3,380 |
| 840i Convertible | 3.0L 6-cyl turbo | RWD | 21 | 29 | 24 | $3,390 |
| 840i Gran Coupe | 3.0L 6-cyl turbo | RWD | 21 | 29 | 24 | $3,390 |
| 840i xDrive Coupe | 3.0L 6-cyl turbo | AWD | 21 | 29 | 24 | $3,400 |
| 840i xDrive Convertible | 3.0L 6-cyl turbo | AWD | 21 | 29 | 24 | $3,400 |
| 840i xDrive Gran Coupe | 3.0L 6-cyl turbo | AWD | 21 | 29 | 24 | $3,400 |
Show 0 more configurations
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| M850i xDrive Coupe | 4.4L 8-cyl turbo | AWD | 17 | 24 | 19 | $4,170 |
| M850i xDrive Convertible | 4.4L 8-cyl turbo | AWD | 17 | 24 | 19 | $4,170 |
| M850i xDrive Gran Coupe | 4.4L 8-cyl turbo | AWD | 17 | 24 | 19 | $4,170 |
| Alpina B8 Gran Coupe | 4.4L 8-cyl turbo | AWD | 17 | 24 | 19 | $4,170 |
10 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2022 BMW 8 Series MPG
19–25 MPG · $3,150–$4,130/yr
Versus 2021: The most efficient configuration stays at 25 MPG. Its annual cost stays at $3,150.
Gas configurations (10)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| 840i Coupe (Most efficient) | 3.0L 6-cyl turbo | RWD | 23 | 30 | 25 | $3,150 |
| 840i Convertible | 3.0L 6-cyl turbo | RWD | 22 | 29 | 25 | $3,280 |
| 840i Gran Coupe | 3.0L 6-cyl turbo | RWD | 22 | 29 | 25 | $3,280 |
| 840i xDrive Coupe | 3.0L 6-cyl turbo | AWD | 20 | 27 | 23 | $3,520 |
| 840i xDrive Convertible | 3.0L 6-cyl turbo | AWD | 20 | 27 | 23 | $3,520 |
| 840i xDrive Gran Coupe | 3.0L 6-cyl turbo | AWD | 20 | 27 | 23 | $3,520 |
Show 0 more configurations
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| M850i xDrive Coupe | 4.4L 8-cyl turbo | AWD | 17 | 25 | 20 | $4,020 |
| M850i xDrive Convertible | 4.4L 8-cyl turbo | AWD | 17 | 24 | 19 | $4,130 |
| M850i xDrive Gran Coupe | 4.4L 8-cyl turbo | AWD | 17 | 24 | 19 | $4,130 |
| Alpina B8 Gran Coupe | 4.4L 8-cyl turbo | AWD | 17 | 24 | 19 | $4,130 |
10 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2021 BMW 8 Series MPG
20–25 MPG · $3,150–$4,010/yr
Versus 2020: The most efficient configuration stays at 25 MPG. Its annual cost stays at $3,150.
Gas configurations (7)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| 840i Coupe (Most efficient) | 3.0L 6-cyl turbo | RWD | 23 | 30 | 25 | $3,150 |
| 840i Convertible | 3.0L 6-cyl turbo | RWD | 22 | 29 | 25 | $3,280 |
| 840i Gran Coupe | 3.0L 6-cyl turbo | RWD | 22 | 29 | 25 | $3,280 |
| 840i xDrive Coupe | 3.0L 6-cyl turbo | AWD | 20 | 27 | 23 | $3,520 |
| 840i xDrive Convertible | 3.0L 6-cyl turbo | AWD | 20 | 27 | 23 | $3,520 |
| 840i xDrive Gran Coupe | 3.0L 6-cyl turbo | AWD | 20 | 27 | 23 | $3,520 |
Show 0 more configurations
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| M850i xDrive Coupe | 4.4L 8-cyl turbo | AWD | 17 | 25 | 20 | $4,010 |
7 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2020 BMW 8 Series MPG
23–25 MPG · $3,150–$3,540/yr
Gas configurations (6)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| 840i Coupe (Most efficient) | 3.0L 6-cyl turbo | RWD | 23 | 30 | 25 | $3,150 |
| 840i Convertible | 3.0L 6-cyl turbo | RWD | 22 | 29 | 24 | $3,280 |
| 840i Gran Coupe | 3.0L 6-cyl turbo | RWD | 22 | 29 | 24 | $3,280 |
| 840i xDrive Coupe | 3.0L 6-cyl turbo | AWD | 21 | 27 | 23 | $3,460 |
| 840i xDrive Convertible | 3.0L 6-cyl turbo | AWD | 20 | 27 | 23 | $3,540 |
| 840i xDrive Gran Coupe | 3.0L 6-cyl turbo | AWD | 20 | 27 | 23 | $3,540 |
6 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the 840i Coupe 3.0L 6-cyl turbo RWD: $3,980 in California and $2,890 in Texas, a $1,090 difference.
- California $3,980
- Washington $3,740
- New York $3,300
- Florida $3,050
- Texas $2,890
Similar cars
Closest combined MPG among MY2026 small car models.
Generations
- 2019
- 2020-2026
Frequently asked questions
What gas mileage does the 2020-2026 BMW 8 Series get?
EPA rates the 2020-2026 BMW 8 Series at 19–25 MPG combined across 62 configurations and 7 model years. The most efficient version, the 2022 840i Coupe 3.0L 6-cyl turbo RWD, is rated 25 MPG (23 city, 30 highway).
Which years had the best MPG in the 2020-2026 BMW 8 Series?
The 840i Coupe 3.0L 6-cyl turbo RWD reached the generation's best combined rating, 25 MPG, in 2020, 2021 and 2022. The lowest top rating, 24 MPG, was in 2023, 2024, 2025 and 2026.
Did EPA ratings change during the 2020-2026 BMW 8 Series?
Yes. Ratings changed in 2021, 2022, 2023, 2024, 2025 and 2026.
How does the 2020-2026 BMW 8 Series compare with the previous generation?
The previous generation (2019 BMW 8 Series) is rated 20 MPG combined and costs $3,930–$3,950 a year to fuel; the 2020-2026 model is rated 19–25 MPG and costs $3,150–$4,180 a year.
How much does it cost to fuel a 2026 BMW 8 Series per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the 840i Coupe 3.0L 6-cyl turbo RWD costs about $3,340 a year. Across all 9 configurations the cost runs $3,340–$4,160 a year. That is a $820 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2026 BMW 8 Series 100 miles?
About $22.27 per 100 miles for the 840i Coupe 3.0L 6-cyl turbo RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $22.27 and $27.73 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2026 BMW 8 Series more efficient in the city or on the highway?
The 840i Coupe 3.0L 6-cyl turbo RWD is rated 21 city and 29 highway MPG, so it is more efficient on the highway, by 8 MPG.
How does the 2026 BMW 8 Series compare with other small car configurations?
The 840i Coupe 3.0L 6-cyl turbo RWD costs about $3,340 a year to fuel, $440 more than the class median of $2,900, and less than 4 of 10 small car configurations. The comparison covers all 195 rated small car configurations for MY2026, not weighted by sales.
Is the 2026 BMW 8 Series different from the 2025 model?
The most efficient configuration stays at 24 MPG. Its annual cost stays at $3,340. EPA lists 9 configurations for 2026 against 10 configurations for 2025. See the 2025 BMW 8 Series for that year.