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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 | Porsche2025 Porsche Panamera | BMW2025 BMW 740i |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 169 mphBestManufacturer claim · Porsche | 155 mphIndependent test · Wikipedia |
| 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. | 178.6 hp/tCalculated | 180.7 hp/tBestCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | 0.96 gIndependent test · Car and Driver | — |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 4.80 sBestManufacturer claim · Porsche | 5.20 sManufacturer claim · BMW |
| 0–100 km/hLower is better | 5.30 sTieManufacturer claim · Porsche | 5.40 sTieIndependent test · Wikipedia |
| 0–100 mph | 11.30 sIndependent test · Car and Driver | — |
| 0–200 km/h | 20.1 sManufacturer claim · Porsche | — |
| Quarter-mile elapsed time | 13.50 sManufacturer claim · Porsche | — |
| Braking | ||
| 70–0 mph braking distance | 155.0 ftIndependent test · Car and Driver | — |
| 100–0 mph braking distance | 313.0 ftIndependent test · Car and Driver | — |
| Engine & Powertrain | ||
| Peak powerHigher is better | 348 hpManufacturer claim · Porsche | 375 hpBestIndependent test · Wikipedia |
| Peak torqueHigher is better | 368 lb-ftManufacturer claim · Porsche | 384 lb-ftBestIndependent test · Wikipedia |
| Engine displacement | 2894.0 ccManufacturer claim · Porsche | 3000.0 ccHomologation · US EPA |
| Cylinder count | 6Manufacturer claim · Porsche | 6Homologation · US EPA |
| Engine layout | V6Manufacturer claim · Porsche | Inline-6Independent test · Wikipedia |
| Engine placement | FrontManufacturer claim · Porsche | FrontIndependent test · Wikipedia |
| Dimensions | ||
| Length | 199 inManufacturer claim · Porsche | 212 inIndependent test · Wikipedia |
| Width | 78 inManufacturer claim · Porsche | 77 inIndependent test · Wikipedia |
| Height | 56 inManufacturer claim · Porsche | 61 inIndependent test · Wikipedia |
| Wheelbase | 116 inManufacturer claim · Porsche | 127 inIndependent test · Wikipedia |
| Weight | ||
| Curb weightLower is better | 4295 lbBestManufacturer claim · Porsche | 4575 lbIndependent test · Wikipedia |
| Fuel Economy | ||
| Fuel economy (combined)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 21.0 mpgHomologation · US EPA | 28.0 mpgBestHomologation · US EPA |
| Fuel economy (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 18.0 mpgHomologation · US EPA | 25.0 mpgBestHomologation · US EPA |
| Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 25.0 mpgHomologation · US EPA | 31.0 mpgBestHomologation · US EPA |
| Fuel tank capacity | 23.7 galManufacturer claim · Porsche | 19.5 galHomologation · US EPA |
| Estimated range (combined)Higher is betterEstimated from tank capacity and quoted combined economy — not an instrumented range. | 498 mi | |
| Practicality | ||
| Cargo volume | 18 ft³Manufacturer claim · Porsche | — |
| Seats | 4Manufacturer claim · Porsche | 5Independent test · Wikipedia |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $102,800Manufacturer claim · Porsche | $97,300Homologation · US EPA |
| 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 | Twin-turboManufacturer claim · Porsche | TurbochargedIndependent test · Wikipedia |
|---|
| Redline | 6800Manufacturer claim · Porsche | — |
|---|
| Transmission type | Dual-clutch (PDK)Manufacturer claim · Porsche | Torque-converter automaticHomologation · US EPA |
|---|
| Number of gears | 8Manufacturer claim · Porsche | 8Homologation · US EPA |
|---|
| 546 miBestCalculated |
| Estimated range (highway)Higher is betterEstimated from tank capacity and quoted highway economy — not an instrumented range. | 593 miCalculated | 605 miBestCalculated |
|---|
| Estimated range (city)Higher is betterEstimated from tank capacity and quoted city economy — not an instrumented range. | 427 miCalculated | 488 miBestCalculated |
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