2025 · Subcompact Cars
BMW 8 Series
840i Convertible — 2025 BMW 840i Convertible is a U.S.-market FuelEconomy.gov certification record. Class: Subcompact Cars; drive: Rear-Wheel Drive; transmission: Automatic (S8). EPA combined rating: 24 mpg.
Source verifiedVerified: 2026-08-10
Overview
What matters
2025 BMW 840i Convertible is a U.S.-market FuelEconomy.gov certification record. Class: Subcompact Cars; drive: Rear-Wheel Drive; transmission: Automatic (S8). EPA combined rating: 24 mpg.
21 city / 29 highway mpg
3 L · 6 cylinders
Specifications
Powertrain & efficiency
Body styleSubcompact Cars
Fuel typeGasoline
DrivetrainRear-Wheel Drive
TransmissionAutomatic (S8)
Power—
Torque—
Engine displacement3.0 L
Cylinders6
Battery—
Driving range—
Combined economy24 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.
Visual reference
Interior & gallery
Photography represents the listed model or generation. Color, market and individual trim details may differ.
Maintenance research
Parts for BMW 8 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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