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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 XM Label Red | Porsche2025 Porsche Cayenne Turbo E-Hybrid |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 175 mphManufacturer claim · BMW | 183 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. | 267.1 hp/tCalculated | 283.8 hp/tBestCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | — | 0.96 gIndependent test · MotorTrend |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 3.70 sManufacturer claim · BMW | 3.50 sBestManufacturer claim · Porsche |
| 0–100 km/hLower is better | 3.80 sTieManufacturer claim · BMW | 3.70 sTieManufacturer claim · Porsche |
| 0–200 km/h | — | 12.2 sManufacturer claim · Porsche |
| Quarter-mile elapsed time | — | 11.70 sManufacturer claim · Porsche |
| Engine & Powertrain | ||
| Peak powerHigher is better | 738 hpBestManufacturer claim · BMW | 729 hpManufacturer claim · Porsche |
| Peak torqueHigher is better | 738 lb-ftBestManufacturer claim · BMW | 700 lb-ftManufacturer claim · Porsche |
| Engine displacement | 4395.0 ccManufacturer claim · BMW | 4000.0 ccManufacturer claim · Porsche |
| Cylinder count | 8Manufacturer claim · BMW | 8Manufacturer claim · Porsche |
| Engine layout | V8Manufacturer claim · BMW | V8Manufacturer claim · Porsche |
| Engine placement | FrontManufacturer claim · BMW | |
| Dimensions | ||
| Length | 201 inManufacturer claim · BMW | 194 inManufacturer claim · Porsche |
| Width | 79 inManufacturer claim · BMW | 79 inManufacturer claim · Porsche |
| Height | 69 inManufacturer claim · BMW | 66 inManufacturer claim · Porsche |
| Wheelbase | 122 inManufacturer claim · BMW | 114 inManufacturer claim · Porsche |
| Ground clearance | 9 inManufacturer claim · BMW | — |
| Weight | ||
| Curb weightLower is better | 6091 lbHomologation · US EPA | 5664 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. | 14.0 mpgHomologation · US EPA | 22.0 mpgBestHomologation · US EPA |
| Fuel economy (city)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 12.0 mpgHomologation · US EPA | — |
| Fuel economy (highway)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 17.0 mpgHomologation · US EPA | — |
| Fuel tank capacity | 18.2 galManufacturer claim · BMW | 18.5 galManufacturer claim · Porsche |
| Estimated range (combined)Higher is betterEstimated from tank capacity and quoted combined economy — not an instrumented range. | 255 miCalculated | 407 miBest |
| Electric System | ||
| Battery gross capacityHigher is better | 29.5 kWhBestManufacturer claim · BMW | 25.9 kWhManufacturer claim · Porsche |
| Battery usable capacityHigher is better | 19.2 kWhManufacturer claim · BMW | 21.8 kWhBestManufacturer claim · Porsche |
| EPA rangeHigher is better | 31 miBestHomologation · US EPA | 24 miHomologation · US EPA |
| Peak AC charging powerHigher is better | 7.4 kWManufacturer claim · BMW | 11.0 kWBestManufacturer claim · Porsche |
| Practicality | ||
| Cargo volume | — | 26 ft³Manufacturer claim · Porsche |
| Seats | 5Manufacturer claim · BMW | 5Manufacturer claim · Porsche |
| Towing capacity (braked) | — | 6613 lbManufacturer claim · Porsche |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $186,700Independent test · Kelley Blue Book | $157,000Homologation · US EPA |
| Aerodynamics | ||
| Drag coefficient (Cd) | — | 0.35 :1Manufacturer claim · Porsche |
| Tires & Wheels | ||
| Front tire size | 275/35 R23Manufacturer claim · BMW | 285/45 R21Manufacturer claim · Porsche |
| Rear tire size | 315/30 R23Manufacturer claim · BMW | 285/45 R21Manufacturer 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.
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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 · BMW | Twin-turboManufacturer claim · Porsche |
|---|
| Redline | — | 6800Manufacturer claim · Porsche |
|---|
| Transmission type | Torque-converter automaticManufacturer claim · BMW | Torque-converter automaticManufacturer claim · Porsche |
|---|
| Number of gears | 8Manufacturer claim · BMW | 8Manufacturer claim · Porsche |
|---|
| Estimated range (highway)Estimated from tank capacity and quoted highway economy — not an instrumented range. | 309 miCalculated | — |
|---|
| Estimated range (city)Estimated from tank capacity and quoted city economy — not an instrumented range. | 218 miCalculated | — |
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