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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 | BMW2026 BMW M2 CS |
|---|---|---|
| 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 | 305.8 hp/tBestCalculated |
| Lateral accelerationHigher is betterSkidpad radius and surface affect results. | 1.07 gTieIndependent test · Edmunds | 1.07 gTieIndependent test · Edmunds |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 3.50 sBestIndependent test · Edmunds | 3.80 sIndependent test · Edmunds |
| 0–100 km/hLower is better | 4.10 sManufacturer claim · Porsche | 3.80 sBestManufacturer claim · BMW |
| 0–100 mphLower is better | 7.80 sIndependent test · Car and Driver | 7.00 sBestIndependent test · Car and Driver |
| 0–200 km/hLower is better | 14.4 sManufacturer claim · Porsche | 11.7 sBestManufacturer claim · BMW |
| Quarter-mile elapsed timeLower is better | 11.70 sIndependent test · Edmunds | 11.40 sBestIndependent test · Edmunds |
| Braking | ||
| 60–0 mph braking distanceLower is better | 102.0 ftBestIndependent test · Edmunds | 110.0 ftIndependent test · Edmunds |
| 70–0 mph braking distanceLower is better | 138.0 ftBestIndependent test · Car and Driver | 155.0 ftIndependent test · Car and Driver |
| 100–0 mph braking distanceLower is better | 275.0 ftBestIndependent test · Car and Driver | 291.0 ftIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 388 hpManufacturer claim · Porsche | 523 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 | 181 inManufacturer claim · BMW |
| Width | 80 inManufacturer claim · Porsche | 74 inManufacturer claim · BMW |
| Height | 51 inManufacturer claim · Porsche | 55 inManufacturer claim · BMW |
| Wheelbase | 97 inManufacturer claim · Porsche | 108 inManufacturer claim · BMW |
| Ground clearance | — | 5 inManufacturer claim · BMW |
| Weight | ||
| Curb weightLower is better | 3342 lbBestManufacturer claim · Porsche | 3770 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 | 19.0 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 | 13.7 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 | 14 ft³BestManufacturer claim · BMW |
| Seats | 4Manufacturer claim · Porsche | 4Manufacturer claim · BMW |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $120,100Homologation · US EPA | $98,600Manufacturer 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.
Community index
Add a value with its source. An editor verifies every submission against its citation before it appears on the site.
| Quarter-mile trap speedHigher is better | 117.2 mphIndependent test · Edmunds | 126.1 mphBestIndependent test · Edmunds |
|---|
| 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 | 8Manufacturer claim · BMW |
|---|
| 260 miCalculated |
| Estimated range (highway)Higher is betterEstimated from tank capacity and quoted highway economy — not an instrumented range. | 415 miBestCalculated | 315 miCalculated |
|---|
| Estimated range (city)Higher is betterEstimated from tank capacity and quoted city economy — not an instrumented range. | 299 miBestCalculated | 219 miCalculated |
|---|