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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 | BMW2011 BMW 1 Series M Coupe | Porsche2025 Porsche 718 Cayman |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 155 mphIndependent test · Wikipedia | 171 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. | 224.2 hp/tBestCalculated | 219.7 hp/tCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | — | 1.03 gIndependent test · Car and Driver |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 4.50 sBestIndependent test · Car and Driver | 4.70 sManufacturer claim · Porsche |
| 0–100 km/hLower is better | 4.90 sTieIndependent test · Wikipedia | 4.90 sTieIndependent test · Wikipedia |
| 0–100 mphLower is better | 10.90 sIndependent test · Car and Driver | 10.50 sBestIndependent test · Car and Driver |
| 0–200 km/hLower is better | 17.3 sBestManufacturer claim · BMW | 18.1 sManufacturer claim · Porsche |
| Quarter-mile elapsed time | — | 13.20 sManufacturer claim · Porsche |
| Braking | ||
| 70–0 mph braking distanceLower is better | 159.0 ftIndependent test · Car and Driver | 141.0 ftBestIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 335 hpBestIndependent test · Wikipedia | 300 hpManufacturer claim · Porsche |
| Peak torqueHigher is better | 332 lb-ftBestIndependent test · Wikipedia | 280 lb-ftManufacturer claim · Porsche |
| Engine displacement | 2979.0 ccIndependent test · Wikipedia | 1988.0 ccManufacturer claim · Porsche |
| Cylinder count | 6Independent test · Wikipedia | 4Manufacturer claim · Porsche |
| Engine layout | Inline-6Independent test · Wikipedia | Flat-4Manufacturer claim · Porsche |
| Engine placement | FrontIndependent test · Wikipedia | |
| Dimensions | ||
| Length | 172 inIndependent test · Wikipedia | 172 inManufacturer claim · Porsche |
| Width | 71 inIndependent test · Wikipedia | 71 inManufacturer claim · Porsche |
| Height | 56 inIndependent test · Wikipedia | 51 inManufacturer claim · Porsche |
| Wheelbase | 105 inIndependent test · Wikipedia | 97 inManufacturer claim · Porsche |
| Weight | ||
| Curb weightLower is better | 3296 lbIndependent test · Wikipedia | 3010 lbBestManufacturer claim · Porsche |
| Fuel Economy | ||
| Fuel economy (combined)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 24.0 mpgHomologation · US EPA |
| Fuel economy (city)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 21.0 mpgHomologation · US EPA |
| Fuel economy (highway)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 27.0 mpgHomologation · US EPA |
| Fuel tank capacity | — | 14.3 galManufacturer claim · Porsche |
| Estimated range (combined)Estimated from tank capacity and quoted combined economy — not an instrumented range. | — | 342 miCalculated |
| Estimated range (highway)Estimated from tank capacity and quoted highway economy — not an instrumented range. | — | |
| Practicality | ||
| Seats | 4Independent test · Wikipedia | 2Homologation · US EPA |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | — | $72,800Homologation · US EPA |
| Tires & Wheels | ||
| Front tire size | — | 235/45 ZR18Manufacturer claim · Porsche |
| Rear tire size | — | 265/45 ZR18Manufacturer 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.
| MidManufacturer claim · Porsche |
| Induction type | Twin-turboIndependent test · Wikipedia | TurbochargedManufacturer claim · Porsche |
|---|
| Redline | — | 7500Manufacturer claim · Porsche |
|---|
| Transmission type | ManualIndependent test · Wikipedia | ManualManufacturer claim · Porsche |
|---|
| Number of gears | 6Independent test · Wikipedia | 6Manufacturer claim · Porsche |
|---|
| 385 miCalculated |
| Estimated range (city)Estimated from tank capacity and quoted city economy — not an instrumented range. | — | 300 miCalculated |
|---|