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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 | McLaren2026 McLaren GTS | Porsche2025 Porsche 911 GT3 with Touring Package |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 203 mphBestManufacturer claim · McLaren | 194 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. | 412.0 hp/tBestCalculated | 341.7 hp/tCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | — | 1.13 gIndependent test · Car and Driver |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 3.10 sBestManufacturer claim · McLaren | 3.70 sManufacturer claim · Porsche |
| 0–100 km/hLower is better | 3.20 sBestManufacturer claim · McLaren | 3.90 sManufacturer claim · Porsche |
| 0–100 mph | — | 7.10 sIndependent test · Car and Driver |
| 0–200 km/hLower is better | 8.9 sBestManufacturer claim · McLaren | 11.9 sManufacturer claim · Porsche |
| Quarter-mile elapsed time | — | 11.30 sIndependent test · Car and Driver |
| Quarter-mile trap speed | — | |
| Braking | ||
| 100–0 km/h braking distance | 105.0 ftManufacturer claim · McLaren | — |
| 70–0 mph braking distanceLower is better | 151.0 ftIndependent test · Car and Driver | 135.0 ftBestIndependent test · Car and Driver |
| 100–0 mph braking distanceLower is better | 300.0 ftIndependent test · Car and Driver | 265.0 ftBestIndependent test · Car and Driver |
| 200–0 km/h braking distance | 416.7 ftManufacturer claim · McLaren | — |
| Engine & Powertrain | ||
| Peak powerHigher is better | 626 hpBestManufacturer claim · McLaren | 502 hpManufacturer claim · Porsche |
| Peak torqueHigher is better | 465 lb-ftBestManufacturer claim · McLaren | 331 lb-ftManufacturer claim · Porsche |
| Engine displacement | 4000.0 ccManufacturer claim · McLaren | 4000.0 ccManufacturer claim · Porsche |
| Cylinder count | 8Manufacturer claim · McLaren | 6Manufacturer claim · Porsche |
| Engine layout | V8Manufacturer claim · McLaren | Flat-6Manufacturer claim · Porsche |
| Engine placement | MidManufacturer claim · McLaren | |
| Dimensions | ||
| Length | — | 180 inManufacturer claim · Porsche |
| Width | — | 73 inManufacturer claim · Porsche |
| Height | — | 50 inManufacturer claim · Porsche |
| Wheelbase | — | 97 inManufacturer claim · Porsche |
| Weight | ||
| Curb weightLower is better | 3351 lbManufacturer claim · McLaren | 3239 lbBestManufacturer 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. | 19.8 mpgBestManufacturer claim · McLaren | 16.0 mpgHomologation · US EPA |
| Fuel economy (city)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 15.0 mpgHomologation · US EPA |
| Fuel economy (highway)Lower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | — | 18.0 mpgHomologation · US EPA |
| Fuel tank capacity | 19.0 galManufacturer claim · McLaren | 16.9 galIndependent test · Ultimate Specs |
| Estimated range (combined)Higher is betterEstimated from tank capacity and quoted combined economy — not an instrumented range. | 376 miBestCalculated | 270 miCalculated |
| Practicality | ||
| Cargo volumeHigher is better | 20 ft³BestManufacturer claim · McLaren | 5 ft³Manufacturer claim · Porsche |
| Seats | — | 2Manufacturer claim · Porsche |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $229,900Independent test · Car and Driver | $235,800Manufacturer claim · Porsche |
| Tires & Wheels | ||
| Front tire size | — | 255/35 ZR20Independent test · Ultimate Specs |
| Rear tire size | — | 315/30 ZR21Independent test · Ultimate Specs |
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.
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Add a value with its source. An editor verifies every submission against its citation before it appears on the site.
| Induction type | Twin-turboManufacturer claim · McLaren | Naturally aspiratedManufacturer claim · Porsche |
|---|
| Redline | — | 9000Manufacturer claim · Porsche |
|---|
| Transmission type | Dual-clutch (PDK)Manufacturer claim · McLaren | ManualManufacturer claim · Porsche |
|---|
| Number of gears | 7Manufacturer claim · McLaren | 6Independent test · Ultimate Specs |
|---|
| Estimated range (highway)Estimated from tank capacity and quoted highway economy — not an instrumented range. | — | 304 miCalculated |
|---|
| Estimated range (city)Estimated from tank capacity and quoted city economy — not an instrumented range. | — | 254 miCalculated |
|---|