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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 | Bugatti2023 Bugatti Chiron | Porsche2025 Porsche 911 Turbo S |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 261 mphBestManufacturer claim · Bugatti | 205 mphIndependent test · Wikipedia |
| 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. | 741.4 hp/tBestCalculated | 388.1 hp/tCalculated |
| Lateral accelerationHigher is betterSkidpad radius and surface affect results. | 1.50 gBestManufacturer claim · Bugatti | 1.10 gIndependent test · Car and Driver |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 2.40 sIndependent test · Car and Driver | 2.20 sBestIndependent test · Car and Driver |
| 0–100 km/hLower is better | 2.40 sBestManufacturer claim · Bugatti | 2.70 sIndependent test · Wikipedia |
| 0–100 mph | — | 5.30 sIndependent test · Car and Driver |
| 0–200 km/hLower is better | 6.1 sBestManufacturer claim · Bugatti | 8.9 sManufacturer claim · Porsche |
| Quarter-mile elapsed time | — | 10.10 sIndependent test · Car and Driver |
| Quarter-mile trap speed | — | |
| Braking | ||
| 70–0 mph braking distanceLower is better | 160.0 ftIndependent test · Car and Driver | 139.0 ftBestIndependent test · Car and Driver |
| 100–0 mph braking distance | — | 284.0 ftIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 1479 hpBestManufacturer claim · Bugatti | 640 hpIndependent test · Wikipedia |
| Peak torqueHigher is better | 1180 lb-ftBestManufacturer claim · Bugatti | 590 lb-ftIndependent test · Wikipedia |
| Engine displacement | 7993.0 ccManufacturer claim · Bugatti | 3700.0 ccHomologation · US EPA |
| Cylinder count | 16Manufacturer claim · Bugatti | 6Homologation · US EPA |
| Engine layout | W16Manufacturer claim · Bugatti | Flat-6Independent test · Wikipedia |
| Engine placement | — | RearIndependent test · Wikipedia |
| Dimensions | ||
| Length | 179 inManufacturer claim · Bugatti | 179 inIndependent test · Auto-Data.net |
| Width | 80 inManufacturer claim · Bugatti | 75 inIndependent test · Auto-Data.net |
| Height | 48 inManufacturer claim · Bugatti | 51 inIndependent test · Auto-Data.net |
| Wheelbase | 107 inManufacturer claim · Bugatti | 97 inIndependent test · Auto-Data.net |
| Weight | ||
| Curb weightLower is better | 4398 lbManufacturer claim · Bugatti | 3636 lbBestIndependent test · Auto-Data.net |
| Fuel Economy | ||
| Fuel economy (combined)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 11.0 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. | 9.0 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. | 14.0 mpgHomologation · US EPA | 20.0 mpgBestHomologation · US EPA |
| Fuel tank capacity | 26.4 galManufacturer claim · Bugatti | 17.7 galIndependent test · Auto-Data.net |
| Estimated range (combined)Higher is betterEstimated from tank capacity and quoted combined economy — not an instrumented range. | ||
| Practicality | ||
| Cargo volume | — | 5 ft³Independent test · Auto-Data.net |
| Seats | — | 4Independent test · Auto-Data.net |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | — | $230,400Independent test · Kelley Blue Book |
| Aerodynamics | ||
| Drag coefficient (Cd) | — | 0.33 :1Independent test · Auto-Data.net |
| Tires & Wheels | ||
| Front tire size | 285 / 30 R20 ZR (Y) - BGManufacturer claim · Bugatti | 255/35 ZR20Independent test · Auto-Data.net |
| Rear tire size | 355 / 25 R21 ZR (Y) - BGManufacturer claim · Bugatti | 315/30 ZR21Independent test · Auto-Data.net |
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 | Quad-turboManufacturer claim · Bugatti | Twin-turboIndependent test · Wikipedia |
|---|
| Redline | — | 7200Independent test · Auto-Data.net |
|---|
| Transmission type | Dual-clutch (PDK)Manufacturer claim · Bugatti | Dual-clutch (PDK)Independent test · StuttCars |
|---|
| Number of gears | 7Manufacturer claim · Bugatti | 8Independent test · Auto-Data.net |
|---|
| 283 miCalculated |
| Estimated range (highway)Higher is betterEstimated from tank capacity and quoted highway economy — not an instrumented range. | 370 miBestCalculated | 354 miCalculated |
|---|
| Estimated range (city)Higher is betterEstimated from tank capacity and quoted city economy — not an instrumented range. | 238 miCalculated | 248 miBestCalculated |
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