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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 | Koenigsegg2018 Koenigsegg Agera RS | Porsche2024 Porsche 911 GT3 RS |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 278 mphBestManufacturer claim · Koenigsegg | 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. | 831.5 hp/tBestCalculated | 349.4 hp/tCalculated |
| Lateral accelerationHigher is betterSkidpad radius and surface affect results. | 1.50 gBestManufacturer claim · Koenigsegg | 1.18 gIndependent test · MotorTrend |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 2.60 sBestIndependent test · EncyCARpedia | 2.80 sIndependent test · MotorTrend |
| 0–100 km/hLower is better | 3.00 sBestManufacturer claim · Koenigsegg | 3.20 sManufacturer claim · Porsche |
| 0–100 mph | — | 6.60 sIndependent test · Car and Driver |
| 0–200 km/hLower is better | 8.0 sBestManufacturer claim · Koenigsegg | 10.6 sManufacturer claim · Porsche |
| Quarter-mile elapsed time | — | 10.90 sIndependent test · MotorTrend |
| Quarter-mile trap speed | — | |
| Braking | ||
| 100–0 km/h braking distance | 100.1 ftManufacturer claim · Koenigsegg | — |
| 60–0 mph braking distance | — | 92.0 ftIndependent test · MotorTrend |
| 70–0 mph braking distance | — | 133.0 ftIndependent test · Car and Driver |
| 100–0 mph braking distance | — | 251.0 ftIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 1160 hpBestManufacturer claim · Koenigsegg | 518 hpManufacturer claim · Porsche |
| Peak torqueHigher is better | 944 lb-ftBestManufacturer claim · Koenigsegg | 343 lb-ftManufacturer claim · Porsche |
| Engine displacement | 5000.0 ccManufacturer claim · Koenigsegg | 4000.0 ccManufacturer claim · Porsche |
| Cylinder count | 8Manufacturer claim · Koenigsegg | 6Manufacturer claim · Porsche |
| Engine layout | V8Manufacturer claim · Koenigsegg | Flat-6Manufacturer claim · Porsche |
| Engine placement | — | Rear |
| Dimensions | ||
| Length | 169 inManufacturer claim · Koenigsegg | 180 inManufacturer claim · Porsche |
| Width | 81 inManufacturer claim · Koenigsegg | 75 inManufacturer claim · Porsche |
| Height | 44 inManufacturer claim · Koenigsegg | 52 inManufacturer claim · Porsche |
| Wheelbase | 105 inManufacturer claim · Koenigsegg | 97 inManufacturer claim · Porsche |
| Ground clearance | 4 inManufacturer claim · Koenigsegg | — |
| Weight | ||
| Curb weightLower is better | 3075 lbBestManufacturer claim · Koenigsegg | 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. | 13.0 mpgHomologation · US EPA | 16.0 mpgBestHomologation · US EPA |
| Fuel economy (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 11.0 mpgHomologation · US EPA | 14.0 mpgBestHomologation · 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 | 21.7 galManufacturer claim · Koenigsegg | 16.9 galManufacturer claim · Porsche |
| Estimated range (combined)Higher is betterEstimated from tank capacity and quoted combined economy — not an instrumented range. | ||
| Practicality | ||
| Cargo volume | 5 ft³Manufacturer claim · Koenigsegg | — |
| Seats | 2Manufacturer claim · Koenigsegg | 2Manufacturer claim · Porsche |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | — | $241,300Independent test · CarBuzz |
| Aerodynamics | ||
| Drag coefficient (Cd) | — | 0.39 :1Manufacturer claim · Porsche |
| Tires & Wheels | ||
| Front tire size | 265/35-19Manufacturer claim · Koenigsegg | 275/35 ZR20Manufacturer claim · Porsche |
| Rear tire size | 345/30-20Manufacturer claim · Koenigsegg | 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 | Twin-turboManufacturer claim · Koenigsegg | Naturally aspiratedManufacturer claim · Porsche |
|---|
| RedlineHigher is better | 8250Manufacturer claim · Koenigsegg | 9000BestManufacturer claim · Porsche |
|---|
| Transmission type | Automated manualManufacturer claim · Koenigsegg | Dual-clutch (PDK)Manufacturer claim · Porsche |
|---|
| Number of gears | 7Manufacturer claim · Koenigsegg | 7Manufacturer claim · Porsche |
|---|
| 282 miBestCalculated |
| 271 miCalculated |
| Estimated range (highway)Higher is betterEstimated from tank capacity and quoted highway economy — not an instrumented range. | 390 miBestCalculated | 304 miCalculated |
|---|
| Estimated range (city)Higher is betterEstimated from tank capacity and quoted city economy — not an instrumented range. | 238 miBestCalculated | 237 miCalculated |
|---|