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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 911 Carrera | BMW2025 BMW M4 CS Coupe |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 183 mphManufacturer claim · Porsche | 188 mphBestManufacturer 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. | 256.0 hp/tCalculated | 306.8 hp/tBestCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | 1.07 gIndependent test · Edmunds | — |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 3.50 sIndependent test · Edmunds | 3.20 sBestManufacturer claim · BMW |
| 0–100 km/hLower is better | 4.10 sManufacturer claim · Porsche | 3.40 sBestManufacturer claim · BMW |
| 0–100 mph | 7.80 sIndependent test · Car and Driver | — |
| 0–200 km/hLower is better | 14.4 sManufacturer claim · Porsche | 11.1 sBestManufacturer claim · BMW |
| Quarter-mile elapsed time | 11.70 sIndependent test · Edmunds | — |
| Quarter-mile trap speed | 117.2 mphIndependent test · Edmunds | |
| Braking | ||
| 60–0 mph braking distance | 102.0 ftIndependent test · Edmunds | — |
| 70–0 mph braking distance | 138.0 ftIndependent test · Car and Driver | — |
| 100–0 mph braking distance | 275.0 ftIndependent test · Car and Driver | — |
| Engine & Powertrain | ||
| Peak powerHigher is better | 388 hpManufacturer claim · Porsche | 543 hpBestManufacturer claim · BMW |
| Peak torqueHigher is better | 331 lb-ftManufacturer claim · Porsche | 479 lb-ftBestManufacturer claim · BMW |
| Engine displacement | 3000.0 ccManufacturer claim · Porsche | 2993.0 ccManufacturer claim · BMW |
| Cylinder count | 6Manufacturer claim · Porsche | 6Manufacturer claim · BMW |
| Engine layout | Flat-6Manufacturer claim · Porsche | Inline-6Manufacturer claim · BMW |
| Engine placement | RearManufacturer claim · Porsche | Front |
| Dimensions | ||
| Length | 179 inManufacturer claim · Porsche | 189 inManufacturer claim · BMW |
| Width | 80 inManufacturer claim · Porsche | 76 inManufacturer claim · BMW |
| Height | 51 inManufacturer claim · Porsche | 55 inManufacturer claim · BMW |
| Wheelbase | 97 inManufacturer claim · Porsche | 113 inManufacturer claim · BMW |
| Ground clearance | — | 5 inManufacturer claim · BMW |
| Weight | ||
| Curb weightLower is better | 3342 lbBestManufacturer claim · Porsche | 3902 lbManufacturer claim · BMW |
| 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 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. | 18.0 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. | 25.0 mpgBestHomologation · US EPA | 23.0 mpgHomologation · US EPA |
| Fuel tank capacity | 16.6 galManufacturer claim · Porsche | 15.6 galManufacturer claim · BMW |
| Estimated range (combined)Higher is betterEstimated from tank capacity and quoted combined economy — not an instrumented range. | ||
| Practicality | ||
| Cargo volumeHigher is better | 5 ft³Manufacturer claim · Porsche | 15 ft³BestManufacturer claim · BMW |
| Seats | 4Manufacturer claim · Porsche | 4Independent test · Wikipedia |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $120,100Homologation · US EPA | $123,500Manufacturer claim · BMW |
| Aerodynamics | ||
| Drag coefficient (Cd) | 0.30 :1Independent test · CarreraFever | — |
| Tires & Wheels | ||
| Front tire size | 235/40 ZR19Manufacturer claim · Porsche | 275/35 ZR19Manufacturer claim · BMW |
| Rear tire size | 295/35 ZR20Manufacturer claim · Porsche | 285/30 ZR20Manufacturer 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.
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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 · Porsche | Twin-turboManufacturer claim · BMW |
|---|
| RedlineHigher is better | 7500BestManufacturer claim · Porsche | 7200Manufacturer claim · BMW |
|---|
| Transmission type | Dual-clutch (PDK)Manufacturer claim · Porsche | Torque-converter automaticManufacturer claim · BMW |
|---|
| Number of gears | 8Manufacturer claim · Porsche | 8Homologation · US EPA |
|---|
| 281 miCalculated |
| Estimated range (highway)Higher is betterEstimated from tank capacity and quoted highway economy — not an instrumented range. | 415 miBestCalculated | 359 miCalculated |
|---|
| Estimated range (city)Higher is betterEstimated from tank capacity and quoted city economy — not an instrumented range. | 299 miBestCalculated | 250 miCalculated |
|---|