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2025 · Subcompact Cars

BMW 4 Series

M440i xDrive Convertible — 2025 BMW M440i xDrive Convertible is a U.S.-market FuelEconomy.gov certification record. Class: Subcompact Cars; drive: All-Wheel Drive; transmission: Automatic (S8). EPA combined rating: 28 mpg.

Source verifiedVerified: 2026-08-10
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BMW 4 Series model reference
Dinkun Chen · CC BY-SA 4.0
2024 BMW 4 Series exterior
Alexander-93 · CC BY-SA 4.0
BMW 4 Series model reference
Dinkun Chen · CC BY-SA 4.0
Overview

What matters

2025 BMW M440i xDrive Convertible is a U.S.-market FuelEconomy.gov certification record. Class: Subcompact Cars; drive: All-Wheel Drive; transmission: Automatic (S8). EPA combined rating: 28 mpg.

25 city / 32 highway mpg
3 L · 4 cylinders
Specifications

Powertrain & efficiency

Body styleSubcompact Cars
Fuel typeHybrid (HEV)
DrivetrainAll-Wheel Drive
TransmissionAutomatic (S8)
Power—
Torque—
Engine displacement3.0 L
Cylinders4
Battery—
Driving range—
Combined economy28 mpg
0–60 mph—
Top speed—
Dimensions

Vehicle dimensions

Length—
Width—
Height—
Wheelbase—
Ground clearance—

Specifications can vary by market and configuration. AutoVero displays the exact market and trim when known.

Maintenance research

Parts for BMW 4 Series

Choose a vehicle system. Exact OEM numbers and fitment appear only after verification by generation, engine, market and trim.

FiltersOil, air, cabin and fuel filtration systems.
BrakesFriction, hydraulic and electronic braking components.
CoolingEngine, battery and power-electronics thermal management.
Battery12-volt starting batteries and EV auxiliary battery references.
IgnitionSpark generation and combustion control components.
BeltsAccessory-drive and service belt systems.
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