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Compare
Compare 2–4 cars side by side. Every figure is sourced; the best value in each comparable row is marked.
| Specification | BMW2025 BMW 430i Convertible | BMW2025 BMW 840i xDrive Convertible |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 155 mphTieIndependent test · Wikipedia | 155 mphTieManufacturer claim · BMW |
| Power-to-weight ratioHigher is betterCalculated from peak power and curb weight — figures quoted against a different weight basis (e.g. dry or DIN) will differ. | 142.5 hp/tCalculated | 169.5 hp/tBestCalculated |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 6.00 sManufacturer claim · BMW | 4.60 sBestManufacturer claim · BMW |
| 0–100 km/hLower is better | 6.40 sIndependent test · Wikipedia | 4.90 sBestManufacturer claim · BMW |
| Engine & Powertrain | ||
| Peak powerHigher is better | 255 hpIndependent test · Wikipedia | 335 hpBestManufacturer claim · BMW |
| Peak torqueHigher is better | 294 lb-ftIndependent test · Wikipedia | 368 lb-ftBestManufacturer claim · BMW |
| Engine displacement | 2000.0 ccHomologation · US EPA | 2998.0 ccManufacturer claim · BMW |
| Cylinder count | 4Homologation · US EPA | 6Manufacturer claim · BMW |
| Engine layout | Inline-4Independent test · Wikipedia | Inline-6Manufacturer claim · BMW |
| Engine placement | FrontIndependent test · Wikipedia | |
| Dimensions | ||
| Length | 188 inIndependent test · Wikipedia | 191 inManufacturer claim · BMW |
| Width | 73 inIndependent test · Wikipedia | 75 inManufacturer claim · BMW |
| Height | 54 inIndependent test · Wikipedia | 53 inManufacturer claim · BMW |
| Wheelbase | 112 inIndependent test · Wikipedia | 111 inManufacturer claim · BMW |
| Ground clearance | — | 5 inManufacturer claim · BMW |
| Weight | ||
| Curb weightLower is better | 3946 lbBestIndependent test · Wikipedia | 4356 lbManufacturer claim · BMW |
| Fuel Economy | ||
| Fuel economy (combined)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 30.0 mpgBestHomologation · US EPA | 24.0 mpgHomologation · US EPA |
| Fuel economy (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 27.0 mpgBestHomologation · US EPA | 21.0 mpgHomologation · US EPA |
| Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 35.0 mpgBestHomologation · US EPA | 29.0 mpgHomologation · US EPA |
| Fuel tank capacity | 15.6 galHomologation · US EPA | 18.0 galManufacturer claim · BMW |
| Estimated range (combined)Higher is betterEstimated from tank capacity and quoted combined economy — not an instrumented range. | ||
| Practicality | ||
| Cargo volumeHigher is better | 9 ft³Homologation · US EPA | 12 ft³BestManufacturer claim · BMW |
| Seats | 4Homologation · US EPA | 4Manufacturer claim · BMW |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $59,150Homologation · US EPA | $104,400Homologation · US EPA |
| Tires & Wheels | ||
| Front tire size | — | 245/45R18 A/SManufacturer claim · BMW |
| Rear tire size | — | 275/40R18 A/SManufacturer claim · BMW |
Every figure is the car’s preferred, sourced value. “Best” marks the strongest value in a row, judged on the canonical measurement (so a winner is correct whichever unit system you view). Open a car to see each value’s source, original units, and alternates.
Community index
Add a value with its source. An editor verifies every submission against its citation before it appears on the site.
| Induction type | TurbochargedHomologation · US EPA | TurbochargedManufacturer claim · BMW |
|---|
| Transmission type | Torque-converter automaticHomologation · US EPA | Torque-converter automaticManufacturer claim · BMW |
|---|
| Number of gears | 8Homologation · US EPA | 8Manufacturer claim · BMW |
|---|
| 468 miBestCalculated |
| 432 miCalculated |
| Estimated range (highway)Higher is betterEstimated from tank capacity and quoted highway economy — not an instrumented range. | 546 miBestCalculated | 522 miCalculated |
|---|
| Estimated range (city)Higher is betterEstimated from tank capacity and quoted city economy — not an instrumented range. | 421 miBestCalculated | 378 miCalculated |
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