Power
250 kW
Torque
499 N·m
0–100 km/h
4.90 s
Top speed
249 km/h
2025 BMW 840i xDrive Convertible joins the BMW expansion with source-backed core specifications. The seeded observations prioritize official BMW PressClub technical data and EPA economy/range records; ambiguous market-specific or unsourced figures are omitted rather than guessed.
Specifications by source
Each figure carries an evidence mark and a text label; expand a value for its full provenance — citation, verification, test conditions, and any alternate figures.
A. Acceleration
0–100 km/h4.90 sManufacturer claimBMWShow full source detail and alternate values
VerifiedMedium confidence
Originally reported as 4.9 s; stored canonically.
Source
BMW — The new BMW 8 Series Convertible.Manufacturer
BMW global technical-data PDF gives an exact 0-100 km/h value for the 840i xDrive Convertible; marked medium because the seed variant is US-market and the citation is global-market press material.