BMW
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BMW
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.
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.
Originally reported as 4.9 s; stored canonically.
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.
The headline numbers for the 2025 BMW 840i xDrive Convertible, answered straight from its sourced record.
Cars in the same class at a comparable price and performance — each figure sourced. Open a head-to-head to weigh the numbers side by side.
Originally reported as 4.6 s; stored canonically.
Official manufacturer 0-60 mph claim.
Originally reported as 4.6 in; stored canonically.
Official ground clearance.
Originally reported as 52.7 in; stored canonically.
Official height in inches.
6-cylinder engine.
Originally reported as 2998 cc; stored canonically.
Official displacement.
Originally reported as 608.332055 km; stored canonically.
Calculated from Fuel tank capacity · Fuel economy (city).
Originally reported as 695.236581 km; stored canonically.
Calculated from Fuel tank capacity · Fuel economy (combined).
Originally reported as 126.431492 kW/t; stored canonically.
Calculated from Peak power · Curb weight.
130 mph standard limiter; 155 mph with performance tires.
Originally reported as 12.4 ft³; stored canonically.
Official luggage/cargo volume; lower figure where a split value is published.
Official seating count.
Originally reported as 104400 $; stored canonically.
MSRP shown on the EPA side-by-side vehicle page.
Official standard front tire size.
Official standard rear tire size.
Official curb weight.
Backed by 4 source documents. Expand any value for its full provenance — citation, verification, test conditions, and alternate figures.
Spot a missing or incorrect figure? Add a sourced value — an editor verifies every submission before it appears.
Add dataOriginally reported as 191.1 in; stored canonically.
Official length in inches.
Originally reported as 111.1 in; stored canonically.
Official wheelbase.
Originally reported as 74.9 in; stored canonically.
Official width in inches.
Inline-6 engine layout.
Front-engine layout.
Turbocharged induction.
8 forward gears.
B58 3.0-liter turbo inline-six output.
B58 3.0-liter turbo inline-six torque.
Transmission type per source data.
Originally reported as 840.077536 km; stored canonically.
Calculated from Fuel tank capacity · Fuel economy (highway).
Originally reported as 21 mpg; stored canonically.
EPA city fuel economy.
Originally reported as 24 mpg; stored canonically.
EPA combined fuel economy.
Originally reported as 29 mpg; stored canonically.
EPA highway fuel economy.
Originally reported as 18 gal; stored canonically.
Official fuel tank capacity.
