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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 Cayenne Turbo GT | BMW2025 BMW XM Label Red |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 189 mphBestManufacturer claim · Porsche | 175 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. | 283.5 hp/tBestCalculated | 267.1 hp/tCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | 1.04 gIndependent test · MotorTrend | — |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 3.10 sBestManufacturer claim · Porsche | 3.70 sManufacturer claim · BMW |
| 0–100 km/hLower is better | 3.30 sBestManufacturer claim · Porsche | 3.80 sManufacturer claim · BMW |
| 0–100 mph | 7.41 sIndependent test · MotorTrend | — |
| 0–200 km/h | 12.1 sManufacturer claim · Porsche | — |
| Quarter-mile elapsed time | 11.60 sManufacturer claim · Porsche | — |
| Braking | ||
| 60–0 mph braking distance | 99.0 ftIndependent test · MotorTrend | — |
| 70–0 mph braking distance | 151.0 ftIndependent test · Car and Driver | — |
| 100–0 mph braking distance | 301.0 ftIndependent test · Car and Driver | — |
| Engine & Powertrain | ||
| Peak powerHigher is better | 650 hpManufacturer claim · Porsche | 738 hpBestManufacturer claim · BMW |
| Peak torqueHigher is better | 626 lb-ftManufacturer claim · Porsche | 738 lb-ftBestManufacturer claim · BMW |
| Engine displacement | 4000.0 ccManufacturer claim · Porsche | 4395.0 ccManufacturer claim · BMW |
| Cylinder count | 8Manufacturer claim · Porsche | 8Manufacturer claim · BMW |
| Engine layout | V8Manufacturer claim · Porsche | V8Manufacturer claim · BMW |
| Engine placement | FrontManufacturer claim · Porsche | |
| Dimensions | ||
| Length | 194 inManufacturer claim · Porsche | 201 inManufacturer claim · BMW |
| Width | 79 inManufacturer claim · Porsche | 79 inManufacturer claim · BMW |
| Height | 65 inManufacturer claim · Porsche | 69 inManufacturer claim · BMW |
| Wheelbase | 114 inManufacturer claim · Porsche | 122 inManufacturer claim · BMW |
| Ground clearance | — | 9 inManufacturer claim · BMW |
| Weight | ||
| Curb weightLower is better | 5055 lbBestManufacturer claim · Porsche | 6091 lbHomologation · US EPA |
| Fuel Economy | ||
| Fuel economy (combined)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 17.0 mpgBestHomologation · US EPA | 14.0 mpgHomologation · US EPA |
| Fuel economy (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 15.0 mpgBestHomologation · US EPA | 12.0 mpgHomologation · US EPA |
| Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 20.0 mpgBestHomologation · US EPA | 17.0 mpgHomologation · US EPA |
| Fuel tank capacity | 23.7 galManufacturer claim · Porsche | 18.2 galManufacturer claim · BMW |
| Estimated range (combined)Higher is betterEstimated from tank capacity and quoted combined economy — not an instrumented range. | ||
| Electric System | ||
| Battery gross capacity | — | 29.5 kWhManufacturer claim · BMW |
| Battery usable capacity | — | 19.2 kWhManufacturer claim · BMW |
| EPA range | — | 31 miHomologation · US EPA |
| Peak AC charging power | — | 7.4 kWManufacturer claim · BMW |
| Practicality | ||
| Cargo volume | 24 ft³Manufacturer claim · Porsche | — |
| Seats | 5Manufacturer claim · Porsche | 5Manufacturer claim · BMW |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $203,800Homologation · US EPA | $186,700Independent test · Kelley Blue Book |
| Aerodynamics | ||
| Drag coefficient (Cd) | 0.37 :1Manufacturer claim · Porsche | — |
| Tires & Wheels | ||
| Front tire size | 285/40 ZR22Manufacturer claim · Porsche | 275/35 R23Manufacturer claim · BMW |
| Rear tire size | 315/35 ZR22Manufacturer claim · Porsche | 315/30 R23Manufacturer 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.
| Induction type | Twin-turboManufacturer claim · Porsche | Twin-turboManufacturer claim · BMW |
|---|
| Redline | 6800Manufacturer claim · Porsche | — |
|---|
| Transmission type | Torque-converter automaticManufacturer claim · Porsche | Torque-converter automaticManufacturer claim · BMW |
|---|
| Number of gears | 8Manufacturer claim · Porsche | 8Manufacturer claim · BMW |
|---|
| 255 miCalculated |
| Estimated range (highway)Higher is betterEstimated from tank capacity and quoted highway economy — not an instrumented range. | 474 miBestCalculated | 309 miCalculated |
|---|
| Estimated range (city)Higher is betterEstimated from tank capacity and quoted city economy — not an instrumented range. | 356 miBestCalculated | 218 miCalculated |
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