Photo: BMW 8 Series by Dinkun Chen, CC BY-SA 4.0, via Wikimedia Commons. It shows the model, not always this exact version.
BMW · model year 2026
2026 BMW M850i xDrive Convertible
Subcompact · All-Wheel Drive · Gas · EPA class: Subcompact Cars
EPA figures · 2026fueleconomy.gov
19MPG combined
17/24MPG city / highway
$4,350fuel a year
456 g CO₂ per mile 4.4 L 8-cyl turbo Automatic (S8)
This car on fueleconomy.gov, read 2 October 2026. Your own figures depend on how and where you drive.
Where it places
- 292 Fuel-efficient cars
Ordered by combined MPG #292 of 401 - 146 2026 cars and trucks
Every car of that year, A to Z #146 of 1,172 - 901 Fuel-efficient AWD and 4WD cars
Ordered by combined MPG #901 of 1,362 - 1774 Gas and hybrid cars by fuel cost
Ordered by fuel a year #1774 of 2,158 - 153 BMW cars
Every model year, newest first #153 of 2,720
Against fuel-efficient cars
Chart average 26 MPGBest 55 MPG
Lowest on the chart $1,200Chart average $3,411
Every figure on record
- Combined MPG
- 19 MPG
- City MPG
- 17 MPG
- Highway MPG
- 24 MPG
- Annual fuel cost
- $4,350
- Tailpipe CO₂
- 456 g per mile
- Model year
- 2026
- Body
- Car
- EPA size class
- Subcompact Cars
- Drive
- All-Wheel Drive
- Engine
- 4.4 L 8-cyl turbo
- Transmission
- Automatic (S8)
- Fuel
- Gasoline
Efficiency
Running cost
The car
Powertrain
Cars around it
2026 Porsche 911 Carrera 4S
20 MPG · $4,100 fuel a year 2026 Porsche 911 Carrera GTS
20 MPG · $4,100 fuel a year 2026 Porsche 911 Carrera S Cabriolet
20 MPG · $4,100 fuel a year
2025 Mercedes-Benz AMG C63 S E Performance
20 MPG · $4,100 fuel a year 2026 Porsche 911 Carrera T Cabriolet
19 MPG · $4,350 fuel a year
2026 Chevrolet Corvette
19 MPG · $4,350 fuel a year 2026 BMW M850i xDrive Coupe
19 MPG · $4,350 fuel a year 2026 BMW M850i xDrive Gran Coupe
19 MPG · $4,350 fuel a yearEvery alternative to the 2026 BMW M850i xDrive Convertible →