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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 740i xDrive | Porsche2025 Porsche Panamera 4 |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 155 mphIndependent test · Wikipedia | 168 mphBestManufacturer claim · Porsche |
| 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. | 180.7 hp/tBestCalculated | 175.4 hp/tCalculated |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 4.90 sManufacturer claim · BMW | 4.50 sBestManufacturer claim · Porsche |
| 0–100 km/hLower is better | 5.40 sIndependent test · Wikipedia | 5.00 sBestManufacturer claim · Porsche |
| 0–200 km/h | — | 20.3 sManufacturer claim · Porsche |
| Quarter-mile elapsed time | — | 13.30 sManufacturer claim · Porsche |
| Engine & Powertrain | ||
| Peak powerHigher is better | 375 hpBestIndependent test · Wikipedia | 348 hpManufacturer claim · Porsche |
| Peak torqueHigher is better | 384 lb-ftBestIndependent test · Wikipedia | 368 lb-ftManufacturer claim · Porsche |
| Engine displacement | 3000.0 ccHomologation · US EPA | 2894.0 ccManufacturer claim · Porsche |
| Cylinder count | 6Homologation · US EPA | 6Manufacturer claim · Porsche |
| Engine layout | Inline-6Independent test · Wikipedia | V6Manufacturer claim · Porsche |
| Engine placement | FrontIndependent test · Wikipedia | Front |
| Dimensions | ||
| Length | 212 inIndependent test · Wikipedia | 199 inManufacturer claim · Porsche |
| Width | 77 inIndependent test · Wikipedia | 78 inManufacturer claim · Porsche |
| Height | 61 inIndependent test · Wikipedia | 56 inManufacturer claim · Porsche |
| Wheelbase | 127 inIndependent test · Wikipedia | 116 inManufacturer claim · Porsche |
| Weight | ||
| Curb weightLower is better | 4575 lbIndependent test · Wikipedia | 4374 lbBestManufacturer claim · Porsche |
| Fuel Economy | ||
| Fuel economy (combined)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 (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 24.0 mpgBestHomologation · US EPA | 18.0 mpgHomologation · US EPA |
| Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 31.0 mpgBestHomologation · US EPA | 25.0 mpgHomologation · US EPA |
| Fuel tank capacity | 19.5 galHomologation · US EPA | 23.7 galManufacturer claim · Porsche |
| Estimated range (combined)Higher is betterEstimated from tank capacity and quoted combined economy — not an instrumented range. | ||
| Practicality | ||
| Cargo volumeHigher is better | 14 ft³Homologation · US EPA | 18 ft³BestManufacturer claim · Porsche |
| Seats | 5Independent test · Wikipedia | 4Manufacturer claim · Porsche |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $100,300Homologation · US EPA | $109,800Manufacturer claim · Porsche |
| Aerodynamics | ||
| Drag coefficient (Cd) | — | 0.29 :1Manufacturer claim · Porsche |
| Tires & Wheels | ||
| Front tire size | — | 265/45 ZR19Manufacturer claim · Porsche |
| Rear tire size | — | 295/40 ZR19Manufacturer claim · Porsche |
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 | Twin-turboManufacturer claim · Porsche |
|---|
| Redline | — | 6800Manufacturer claim · Porsche |
|---|
| Transmission type | Torque-converter automaticHomologation · US EPA | Dual-clutch (PDK)Manufacturer claim · Porsche |
|---|
| Number of gears | 8Homologation · US EPA | 8Manufacturer claim · Porsche |
|---|
| 498 miCalculated |
| Estimated range (highway)Higher is betterEstimated from tank capacity and quoted highway economy — not an instrumented range. | 605 miBestCalculated | 593 miCalculated |
|---|
| Estimated range (city)Higher is betterEstimated from tank capacity and quoted city economy — not an instrumented range. | 468 miBestCalculated | 427 miCalculated |
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