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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 X5 M60i xDrive | Porsche2025 Porsche Cayenne S |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 155 mphManufacturer claim · BMW | 169 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. | 215.3 hp/tBestCalculated | 211.7 hp/tCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | — | 0.90 gIndependent test · MotorTrend |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 4.20 sBestManufacturer claim · BMW | 4.70 sManufacturer claim · Porsche |
| 0–100 km/hLower is better | 4.30 sBestManufacturer claim · BMW | 5.00 sManufacturer claim · Porsche |
| 0–100 mph | 9.20 sIndependent test · Car and Driver | — |
| 0–200 km/h | — | 18.6 sManufacturer claim · Porsche |
| Quarter-mile elapsed time | — | 13.20 sManufacturer claim · Porsche |
| Braking | ||
| 60–0 mph braking distance | — | 112.0 ftIndependent test · MotorTrend |
| 70–0 mph braking distance | 157.0 ftIndependent test · Car and Driver | — |
| 100–0 mph braking distance | 325.0 ftIndependent test · Car and Driver | — |
| Engine & Powertrain | ||
| Peak powerHigher is better | 523 hpBestManufacturer claim · BMW | 468 hpManufacturer claim · Porsche |
| Peak torqueHigher is better | 553 lb-ftBestManufacturer claim · BMW | 442 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 | Front |
| Dimensions | ||
| Length | 194 inManufacturer claim · BMW | 194 inManufacturer claim · Porsche |
| Width | 79 inManufacturer claim · BMW | 79 inManufacturer claim · Porsche |
| Height | 70 inManufacturer claim · BMW | 67 inManufacturer claim · Porsche |
| Wheelbase | 117 inManufacturer claim · BMW | 114 inManufacturer claim · Porsche |
| Ground clearance | 9 inManufacturer claim · BMW | — |
| Weight | ||
| Curb weightLower is better | 5355 lbManufacturer claim · BMW | 4874 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. | 19.0 mpgBestHomologation · US EPA | 18.0 mpgHomologation · US EPA |
| Fuel economy (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 17.0 mpgBestHomologation · US EPA | 16.0 mpgHomologation · US EPA |
| Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 22.0 mpgBestHomologation · US EPA | 21.0 mpgHomologation · US EPA |
| Fuel tank capacity | 21.9 galManufacturer claim · BMW | 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 | 34 ft³BestManufacturer claim · BMW | 27 ft³Manufacturer claim · Porsche |
| Seats | 5Manufacturer claim · BMW | 5Manufacturer claim · Porsche |
| Towing capacity (braked) | — | 7716 lbManufacturer claim · Porsche |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $90,850Homologation · US EPA | $101,600Homologation · US EPA |
| Aerodynamics | ||
| Drag coefficient (Cd) | — | 0.35 :1Manufacturer claim · Porsche |
| Tires & Wheels | ||
| Front tire size | 275/45R20 all-season runflatManufacturer claim · BMW | 255/55 R20Manufacturer claim · Porsche |
| Rear tire size | 275/45R20 all-season runflatManufacturer claim · BMW | 295/45 R20Manufacturer 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 · 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 |
|---|
| 427 miBestCalculated |
| Estimated range (highway)Higher is betterEstimated from tank capacity and quoted highway economy — not an instrumented range. | 482 miCalculated | 498 miBestCalculated |
|---|
| Estimated range (city)Higher is betterEstimated from tank capacity and quoted city economy — not an instrumented range. | 372 miCalculated | 379 miBestCalculated |
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