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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 M4 CS Coupe | Porsche2024 Porsche 911 Turbo |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 188 mphManufacturer claim · BMW | 199 mphBestIndependent test · Wikipedia |
| 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. | 306.8 hp/tCalculated | 350.9 hp/tBestCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | — | 1.06 gIndependent test · Car and Driver |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 3.20 sManufacturer claim · BMW | 2.40 sBestIndependent test · StuttCars |
| 0–100 km/hLower is better | 3.40 sManufacturer claim · BMW | 2.80 sBestIndependent test · Wikipedia |
| 0–100 mph | — | 5.80 sIndependent test · Car and Driver |
| 0–200 km/hLower is better | 11.1 sManufacturer claim · BMW | 9.7 sBestManufacturer claim · Porsche |
| Quarter-mile elapsed time | — | 10.30 sIndependent test · StuttCars |
| Quarter-mile trap speed | — | 133.0 mph |
| Braking | ||
| 70–0 mph braking distance | — | 142.0 ftIndependent test · Car and Driver |
| 100–0 mph braking distance | — | 286.0 ftIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 543 hpManufacturer claim · BMW | 572 hpBestIndependent test · Wikipedia |
| Peak torqueHigher is better | 479 lb-ftManufacturer claim · BMW | 553 lb-ftBestIndependent test · Wikipedia |
| Engine displacement | 2993.0 ccManufacturer claim · BMW | 3700.0 ccHomologation · US EPA |
| Cylinder count | 6Manufacturer claim · BMW | 6Homologation · US EPA |
| Engine layout | Inline-6Manufacturer claim · BMW | Flat-6Independent test · Wikipedia |
| Engine placement | FrontIndependent test · Wikipedia | RearIndependent test · Wikipedia |
| Dimensions | ||
| Length | 189 inManufacturer claim · BMW | 179 inIndependent test · Wikipedia |
| Width | 76 inManufacturer claim · BMW | 75 inIndependent test · Wikipedia |
| Height | 55 inManufacturer claim · BMW | 51 inIndependent test · Wikipedia |
| Wheelbase | 113 inManufacturer claim · BMW | 97 inIndependent test · Wikipedia |
| Ground clearance | 5 inManufacturer claim · BMW | — |
| Weight | ||
| Curb weightLower is better | 3902 lbManufacturer claim · BMW | 3594 lbBestIndependent test · Wikipedia |
| Fuel Economy | ||
| Fuel economy (combined)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 18.0 mpgBestHomologation · US EPA | 17.0 mpgHomologation · US EPA |
| Fuel economy (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 16.0 mpgBestHomologation · US EPA | 14.0 mpgHomologation · US EPA |
| Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 23.0 mpgBestHomologation · US EPA | 21.0 mpgHomologation · US EPA |
| Fuel tank capacity | 15.6 galManufacturer claim · BMW | 17.7 galIndependent test · Wikipedia |
| Estimated range (combined)Higher is betterEstimated from tank capacity and quoted combined economy — not an instrumented range. | 281 mi | |
| Practicality | ||
| Cargo volume | 15 ft³Manufacturer claim · BMW | — |
| Seats | 4Independent test · Wikipedia | 4Independent test · StuttCars |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $123,500Manufacturer claim · BMW | $197,200Homologation · US EPA |
| Tires & Wheels | ||
| Front tire size | 275/35 ZR19Manufacturer claim · BMW | 255/35 ZR20Independent test · StuttCars |
| Rear tire size | 285/30 ZR20Manufacturer claim · BMW | 315/30 ZR21Independent test · StuttCars |
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-turboIndependent test · StuttCars |
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| RedlineHigher is better | 7200TieManufacturer claim · BMW | 7200TieIndependent test · StuttCars |
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| Transmission type | Torque-converter automaticManufacturer claim · BMW | Dual-clutch (PDK)Independent test · StuttCars |
|---|
| Number of gears | 8Homologation · US EPA | 8Homologation · US EPA |
|---|
| 301 miBestCalculated |
| Estimated range (highway)Higher is betterEstimated from tank capacity and quoted highway economy — not an instrumented range. | 359 miCalculated | 372 miBestCalculated |
|---|
| Estimated range (city)Higher is betterEstimated from tank capacity and quoted city economy — not an instrumented range. | 250 miBestCalculated | 248 miCalculated |
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