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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 | BMW2008 BMW M3 Coupe (E92) | Porsche2025 Porsche 911 Carrera |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 155 mphIndependent test · Wikipedia | 183 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. | 250.2 hp/tCalculated | 256.0 hp/tBestCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | — | 1.07 gIndependent test · Edmunds |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 4.30 sIndependent test · Car and Driver | 3.50 sBestIndependent test · Edmunds |
| 0–100 km/hLower is better | 4.60 sIndependent test · Wikipedia | 4.10 sBestManufacturer claim · Porsche |
| 0–100 mphLower is better | 9.90 sIndependent test · Car and Driver | 7.80 sBestIndependent test · Car and Driver |
| 0–200 km/h | — | 14.4 sManufacturer claim · Porsche |
| Quarter-mile elapsed time | — | 11.70 sIndependent test · Edmunds |
| Quarter-mile trap speed | — | |
| Braking | ||
| 60–0 mph braking distance | — | 102.0 ftIndependent test · Edmunds |
| 70–0 mph braking distanceLower is better | 157.0 ftIndependent test · Car and Driver | 138.0 ftBestIndependent test · Car and Driver |
| 100–0 mph braking distance | — | 275.0 ftIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 414 hpBestIndependent test · Wikipedia | 388 hpManufacturer claim · Porsche |
| Peak torqueHigher is better | 295 lb-ftIndependent test · Wikipedia | 331 lb-ftBestManufacturer claim · Porsche |
| Engine displacement | 3999.0 ccIndependent test · Wikipedia | 3000.0 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 | Rear |
| Dimensions | ||
| Length | 182 inIndependent test · Wikipedia | 179 inManufacturer claim · Porsche |
| Width | 71 inIndependent test · Wikipedia | 80 inManufacturer claim · Porsche |
| Height | 56 inIndependent test · Wikipedia | 51 inManufacturer claim · Porsche |
| Wheelbase | 109 inIndependent test · Wikipedia | 97 inManufacturer claim · Porsche |
| Weight | ||
| Curb weightLower is better | 3650 lbIndependent test · Wikipedia | 3342 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. | — | 18.0 mpgHomologation · US EPA |
| Fuel economy (highway)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 25.0 mpgHomologation · US EPA |
| Fuel tank capacity | — | 16.6 galManufacturer claim · Porsche |
| Estimated range (combined)Estimated from tank capacity and quoted combined economy — not an instrumented range. | — | 349 miCalculated |
| Estimated range (highway)Estimated from tank capacity and quoted highway economy — not an instrumented range. | — | |
| Practicality | ||
| Cargo volume | — | 5 ft³Manufacturer claim · Porsche |
| Seats | 4Independent test · Wikipedia | 4Manufacturer claim · Porsche |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | — | $120,100Homologation · US EPA |
| Aerodynamics | ||
| Drag coefficient (Cd) | — | 0.30 :1Independent test · CarreraFever |
| Tires & Wheels | ||
| Front tire size | — | 235/40 ZR19Manufacturer claim · Porsche |
| Rear tire size | — | 295/35 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 | Twin-turboManufacturer claim · Porsche |
|---|
| Redline | — | 7500Manufacturer claim · Porsche |
|---|
| Transmission type | Dual-clutch (PDK)Independent test · Wikipedia | Dual-clutch (PDK)Manufacturer claim · Porsche |
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| Number of gears | 7Independent test · Wikipedia | 8Manufacturer claim · Porsche |
|---|
| Estimated range (city)Estimated from tank capacity and quoted city economy — not an instrumented range. | — | 299 miCalculated |
|---|