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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 | Porsche2025 Porsche 911 GT3 | Porsche2024 Porsche 911 GT3 RS |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 193 mphBestManufacturer claim · Porsche | 184 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. | 339.5 hp/tCalculated | 349.4 hp/tBestCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | — | 1.18 gIndependent test · MotorTrend |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 3.20 sManufacturer claim · Porsche | 2.80 sBestIndependent test · MotorTrend |
| 0–100 km/hLower is better | 3.40 sManufacturer claim · Porsche | 3.20 sBestManufacturer claim · Porsche |
| 0–100 mphLower is better | 6.50 sBestIndependent test · Car and Driver | 6.60 sIndependent test · Car and Driver |
| 0–200 km/hLower is better | 10.8 sManufacturer claim · Porsche | 10.6 sBestManufacturer claim · Porsche |
| Quarter-mile elapsed time | — | 10.90 sIndependent test · MotorTrend |
| Braking | ||
| 60–0 mph braking distance | — | 92.0 ftIndependent test · MotorTrend |
| 70–0 mph braking distanceLower is better | 133.0 ftTieIndependent test · Car and Driver | 133.0 ftTieIndependent test · Car and Driver |
| 100–0 mph braking distanceLower is better | 262.0 ftIndependent test · Car and Driver | 251.0 ftBestIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 502 hpManufacturer claim · Porsche | 518 hpBestManufacturer claim · Porsche |
| Peak torqueHigher is better | 331 lb-ftManufacturer claim · Porsche | 343 lb-ftBestManufacturer claim · Porsche |
| Engine displacement | 4000.0 ccManufacturer claim · Porsche | 4000.0 ccManufacturer claim · Porsche |
| Cylinder count | 6Manufacturer claim · Porsche | 6Manufacturer claim · Porsche |
| Engine layout | Flat-6Manufacturer claim · Porsche | Flat-6Manufacturer claim · Porsche |
| Engine placement | RearManufacturer claim · Porsche | |
| Dimensions | ||
| Length | 180 inIndependent test · CarreraFever | 180 inManufacturer claim · Porsche |
| Width | 73 inIndependent test · CarreraFever | 75 inManufacturer claim · Porsche |
| Height | 50 inIndependent test · CarreraFever | 52 inManufacturer claim · Porsche |
| Wheelbase | 97 inIndependent test · CarreraFever | 97 inManufacturer claim · Porsche |
| Weight | ||
| Curb weightLower is better | 3260 lbBestIndependent test · CarreraFever | 3268 lbManufacturer claim · Porsche |
| Fuel Economy | ||
| Fuel economy (combined)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 16.0 mpgTieHomologation · US EPA | 16.0 mpgTieHomologation · US EPA |
| Fuel economy (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 15.0 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. | 18.0 mpgTieHomologation · US EPA | 18.0 mpgTieHomologation · US EPA |
| Fuel tank capacity | 16.6 galIndependent test · CarreraFever | 16.9 galManufacturer claim · Porsche |
| Estimated range (combined)Higher is better | ||
| Practicality | ||
| Cargo volume | 5 ft³Independent test · CarreraFever | — |
| Seats | 2Manufacturer claim · Porsche | 2Manufacturer claim · Porsche |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $235,800Manufacturer claim · Porsche | $241,300Independent test · CarBuzz |
| Aerodynamics | ||
| Drag coefficient (Cd)Lower is better | 0.35 :1BestIndependent test · CarreraFever | 0.39 :1Manufacturer claim · Porsche |
| Tires & Wheels | ||
| Front tire size | 255/35 ZR20Manufacturer claim · Porsche | 275/35 ZR20Manufacturer claim · Porsche |
| Rear tire size | 315/30 ZR21Manufacturer claim · Porsche | 335/30 ZR21Manufacturer 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.
| — |
| 126.8 mphIndependent test · MotorTrend |
| Induction type | Naturally aspiratedManufacturer claim · Porsche | Naturally aspiratedManufacturer claim · Porsche |
|---|
| RedlineHigher is better | 9000TieManufacturer claim · Porsche | 9000TieManufacturer claim · Porsche |
|---|
| Transmission type | Dual-clutch (PDK)Manufacturer claim · Porsche | Dual-clutch (PDK)Manufacturer claim · Porsche |
|---|
| Number of gears | 7Manufacturer claim · Porsche | 7Manufacturer claim · Porsche |
|---|
| 266 miCalculated |
| 271 miBestCalculated |
| Estimated range (highway)Higher is betterEstimated from tank capacity and quoted highway economy — not an instrumented range. | 299 miCalculated | 304 miBestCalculated |
|---|
| Estimated range (city)Higher is betterEstimated from tank capacity and quoted city economy — not an instrumented range. | 249 miBestCalculated | 237 miCalculated |
|---|