2023 BMW 4 Series: M440i xDrive Convertible · 3.0L · AWD · 8-speed automatic · Hybrid
One configuration of the 2023 BMW 4 Series as listed by our sources. Every figure below carries its source.
| Specification | Value | Source |
|---|---|---|
| Engine | 3.0L 6-cylinder turbocharged (SIDI; Mild Hybrid) | EPA fueleconomy.gov |
| Displacement | 3.0 L | EPA fueleconomy.gov |
| Cylinders | 6 | EPA fueleconomy.gov |
| Fuel type | Hybrid | EPA fueleconomy.gov |
| Transmission | 8-speed automatic | EPA fueleconomy.gov |
| Drivetrain | AWD | EPA fueleconomy.gov |
| Combined economy | 25 mpg (9.4 L/100 km) | EPA fueleconomy.gov |
| City economy | 22 mpg (10.7 L/100 km) | EPA fueleconomy.gov |
| Highway economy | 31 mpg (7.6 L/100 km) | EPA fueleconomy.gov |
Provenance & verification
- EPA fueleconomy.gov · US Government public data
Source checked: October 10, 2026
Data verified: October 10, 2026