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Compare 2–4 cars side by side. Every figure is sourced; the best value in each comparable row is marked.
| Specification | BMW2010 BMW M3 GTS (E92) | Porsche2024 Porsche 718 Cayman GT4 RS |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 190 mphIndependent test · Wikipedia | 196 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. | 290.1 hp/tCalculated | 336.8 hp/tBestCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | — | 1.11 gIndependent test · Car and Driver |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 4.40 sIndependent test · Car and Driver | 3.20 sBestManufacturer claim · Porsche |
| 0–100 km/hLower is better | 4.40 sIndependent test · Wikipedia | 3.40 sBestIndependent test · Wikipedia |
| 0–100 mph | — | 6.70 sIndependent test · Car and Driver |
| 0–200 km/h | — | 10.9 sManufacturer claim · Porsche |
| Quarter-mile elapsed time | — | 11.00 sIndependent test · Car and Driver |
| Quarter-mile trap speed | — | 126.0 mphIndependent test · Car and Driver |
| Braking | ||
| 60–0 mph braking distance | — | 96.0 ftIndependent test · MotorTrend |
| 70–0 mph braking distance | — | 132.0 ftIndependent test · Car and Driver |
| 100–0 mph braking distance | — | 242.0 ftIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 444 hpIndependent test · Wikipedia | 493 hpBestManufacturer claim · Porsche |
| Peak torqueHigher is better | 325 lb-ftIndependent test · Wikipedia | 331 lb-ftBestManufacturer claim · Porsche |
| Engine displacement | 4361.0 ccIndependent test · Wikipedia | 3996.0 ccManufacturer claim · Porsche |
| Cylinder count | 8Independent test · Wikipedia | 6Manufacturer claim · Porsche |
| Engine layout | V8Independent test · Wikipedia | Flat-6Manufacturer claim · Porsche |
| Engine placement | FrontIndependent test · Wikipedia | |
| Dimensions | ||
| Length | 182 inIndependent test · Wikipedia | 175 inManufacturer claim · Porsche |
| Width | 71 inIndependent test · Wikipedia | 72 inManufacturer claim · Porsche |
| Height | 56 inIndependent test · Wikipedia | 50 inManufacturer claim · Porsche |
| Wheelbase | 109 inIndependent test · Wikipedia | 98 inManufacturer claim · Porsche |
| Weight | ||
| Curb weightLower is better | 3373 lbIndependent test · Wikipedia | 3227 lbBestManufacturer claim · Porsche |
| Fuel Economy | ||
| Fuel economy (combined)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 16.0 mpgHomologation · US EPA |
| Fuel economy (city)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 15.0 mpgHomologation · US EPA |
| Fuel economy (highway)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 19.0 mpgHomologation · US EPA |
| Practicality | ||
| Seats | 2Independent test · Wikipedia | 2Homologation · US EPA |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | — | $160,700Homologation · US EPA |
| Tires & Wheels | ||
| Front tire size | — | 245/35 ZR20Manufacturer claim · Porsche |
| Rear tire size | — | 295/30 ZR20Manufacturer 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 | Naturally aspiratedIndependent test · Wikipedia | Naturally aspiratedManufacturer claim · Porsche |
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| Redline | — | 9000Manufacturer claim · Porsche |
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| Transmission type | Dual-clutch (PDK)Independent test · Wikipedia | Dual-clutch (PDK)Manufacturer claim · Porsche |
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| Number of gears | 7Independent test · Wikipedia | 7Manufacturer claim · Porsche |
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