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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 540i xDrive Sedan | BMW2025 BMW M340i xDrive |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 152 mphBestIndependent test · Car and Driver | 130 mphManufacturer 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. | 189.4 hp/tCalculated | 212.3 hp/tBestCalculated |
| Lateral accelerationHigher is betterSkidpad radius and surface affect results. | 0.92 gIndependent test · Car and Driver | 0.95 gBestIndependent test · Car and Driver |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 4.00 sTieIndependent test · Car and Driver | 4.10 sTieManufacturer claim · BMW |
| 0–100 km/h | 4.70 sManufacturer claim · BMW | — |
| 0–100 mphLower is better | 10.20 sIndependent test · Car and Driver | 9.50 sBestIndependent test · Car and Driver |
| Quarter-mile elapsed time | 12.50 sIndependent test · Car and Driver | — |
| Quarter-mile trap speed | 111.0 mphIndependent test · Car and Driver | — |
| Braking | ||
| 70–0 mph braking distanceLower is better | 163.0 ftIndependent test · Car and Driver | 157.0 ftBestIndependent test · Car and Driver |
| 100–0 mph braking distanceLower is better | 328.0 ftIndependent test · Car and Driver | 310.0 ftBestIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 375 hpIndependent test · Car and Driver | 386 hpBestManufacturer claim · BMW |
| Peak torqueHigher is better | 398 lb-ftTieIndependent test · Car and Driver | 398 lb-ftTieManufacturer claim · BMW |
| Engine displacement | 3000.0 ccHomologation · US EPA | 2998.0 ccManufacturer claim · BMW |
| Cylinder count | 6Homologation · US EPA | 6Manufacturer claim · BMW |
| Engine layout | Inline-6Independent test · Wikipedia | Inline-6Manufacturer claim · BMW |
| Engine placement | FrontIndependent test · Car and Driver | |
| Dimensions | ||
| Length | 199 inIndependent test · Wikipedia | 186 inManufacturer claim · BMW |
| Width | 75 inIndependent test · Wikipedia | 72 inManufacturer claim · BMW |
| Height | 60 inIndependent test · Wikipedia | 57 inManufacturer claim · BMW |
| Wheelbase | 118 inIndependent test · Wikipedia | 112 inManufacturer claim · BMW |
| Ground clearance | — | 5 inManufacturer claim · BMW |
| Weight | ||
| Curb weightLower is better | 4365 lbIndependent test · Car and Driver | 4008 lbBestManufacturer 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. | 28.0 mpgHomologation · US EPA | 29.0 mpgBestHomologation · US EPA |
| Fuel economy (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 26.0 mpgTieHomologation · US EPA | 26.0 mpgTieHomologation · US EPA |
| Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 33.0 mpgTieHomologation · US EPA | 33.0 mpgTieHomologation · US EPA |
| Fuel tank capacity | 15.9 galHomologation · US EPA | 15.6 galManufacturer claim · BMW |
| Estimated range (combined)Higher is betterEstimated from tank capacity and quoted combined economy — not an instrumented range. | ||
| Practicality | ||
| Cargo volume | — | 17 ft³Manufacturer claim · BMW |
| Seats | 5Independent test · Car and Driver | 5Independent test · Wikipedia |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $65,800Homologation · US EPA | $62,200Homologation · US EPA |
| Tires & Wheels | ||
| Front tire size | 245/35R-21Independent test · Car and Driver | 225/40 R19Manufacturer claim · BMW |
| Rear tire size | 275/30R-21Independent test · Car and Driver | 225/40 R19Manufacturer 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.
| FrontIndependent test · Wikipedia |
| 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 |
|---|
| 445 miCalculated |
| 452 miBestCalculated |
| Estimated range (highway)Higher is betterEstimated from tank capacity and quoted highway economy — not an instrumented range. | 525 miBestCalculated | 515 miCalculated |
|---|
| Estimated range (city)Higher is betterEstimated from tank capacity and quoted city economy — not an instrumented range. | 413 miBestCalculated | 406 miCalculated |
|---|