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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) | Porsche2025 Porsche 718 Cayman GTS 4.0 |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 190 mphBestIndependent test · Wikipedia | 182 mphManufacturer 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/tBestCalculated | 275.1 hp/tCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | — | 1.04 gIndependent test · Car and Driver |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 4.40 sTieIndependent test · Car and Driver | 4.30 sTieManufacturer claim · Porsche |
| 0–100 km/hLower is better | 4.40 sIndependent test · Wikipedia | 4.00 sBestIndependent test · Wikipedia |
| 0–100 mph | — | 8.50 sIndependent test · Car and Driver |
| 0–200 km/h | — | 14.1 sManufacturer claim · Porsche |
| Quarter-mile elapsed time | — | 12.50 sManufacturer claim · Porsche |
| Braking | ||
| 70–0 mph braking distance | — | 142.0 ftIndependent test · Car and Driver |
| 100–0 mph braking distance | — | 284.0 ftIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 444 hpBestIndependent test · Wikipedia | 394 hpManufacturer claim · Porsche |
| Peak torqueHigher is better | 325 lb-ftBestIndependent test · Wikipedia | 309 lb-ftManufacturer claim · Porsche |
| Engine displacement | 4361.0 ccIndependent test · Wikipedia | 3995.0 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 | 172 inManufacturer claim · Porsche |
| Width | 71 inIndependent test · Wikipedia | 71 inManufacturer claim · Porsche |
| Height | 56 inIndependent test · Wikipedia | 50 inManufacturer claim · Porsche |
| Wheelbase | 109 inIndependent test · Wikipedia | 97 inManufacturer claim · Porsche |
| Weight | ||
| Curb weightLower is better | 3373 lbIndependent test · Wikipedia | 3157 lbBestManufacturer claim · Porsche |
| Fuel Economy | ||
| Fuel economy (combined)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 21.0 mpgHomologation · US EPA |
| Fuel economy (city)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 19.0 mpgHomologation · US EPA |
| Fuel economy (highway)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 24.0 mpgHomologation · US EPA |
| Fuel tank capacity | — | 16.9 galManufacturer claim · Porsche |
| Estimated range (combined)Estimated from tank capacity and quoted combined economy — not an instrumented range. | — | 355 miCalculated |
| Estimated range (highway)Estimated from tank capacity and quoted highway economy — not an instrumented range. | — | |
| Practicality | ||
| Cargo volume | — | 5 ft³Manufacturer claim · Porsche |
| Seats | 2Independent test · Wikipedia | 2Homologation · US EPA |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | — | $99,700Homologation · US EPA |
| Tires & Wheels | ||
| Front tire size | — | 235/35 ZR20Manufacturer claim · Porsche |
| Rear tire size | — | 265/35 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 |
|---|
| Redline | — | 7800Manufacturer claim · Porsche |
|---|
| Transmission type | Dual-clutch (PDK)Independent test · Wikipedia | ManualManufacturer claim · Porsche |
|---|
| Number of gears | 7Independent test · Wikipedia | 6Manufacturer claim · Porsche |
|---|
| 406 miCalculated |
| Estimated range (city)Estimated from tank capacity and quoted city economy — not an instrumented range. | — | 321 miCalculated |
|---|