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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 | Ford2026 Ford Mustang GT Fastback Manual | Porsche2025 Porsche 718 Cayman S |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 155 mphIndependent test · Car and Driver | 177 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. | 283.6 hp/tBestCalculated | 252.7 hp/tCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | — | 1.04 gIndependent test · Car and Driver |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 4.20 sTieIndependent test · Car and Driver | 4.20 sTieManufacturer claim · Porsche |
| 0–100 km/hLower is better | 5.48 sIndependent test · EFTM | 4.40 sBestIndependent test · Wikipedia |
| 0–100 mph | — | 9.30 sIndependent test · Car and Driver |
| 0–200 km/h | — | 15.0 sManufacturer claim · Porsche |
| Quarter-mile elapsed time | — | 12.60 sManufacturer claim · Porsche |
| Braking | ||
| 70–0 mph braking distanceLower is better | 153.0 ftIndependent test · Car and Driver | 144.0 ftBestIndependent test · Car and Driver |
| 100–0 mph braking distance | 312.0 ftIndependent test · Car and Driver | — |
| Engine & Powertrain | ||
| Peak powerHigher is better | 480 hpBestManufacturer claim · Ford | 350 hpManufacturer claim · Porsche |
| Peak torqueHigher is better | 415 lb-ftBestManufacturer claim · Ford | 309 lb-ftManufacturer claim · Porsche |
| Engine displacement | 5000.0 ccManufacturer claim · Ford | 2497.0 ccManufacturer claim · Porsche |
| Cylinder count | 8Manufacturer claim · Ford | 4Manufacturer claim · Porsche |
| Engine layout | V8Manufacturer claim · Ford | Flat-4Manufacturer claim · Porsche |
| Engine placement | FrontManufacturer claim · Ford | |
| Dimensions | ||
| Length | 189 inManufacturer claim · Ford | 172 inManufacturer claim · Porsche |
| Width | 82 inManufacturer claim · Ford | 71 inManufacturer claim · Porsche |
| Height | 55 inManufacturer claim · Ford | 51 inManufacturer claim · Porsche |
| Wheelbase | 107 inManufacturer claim · Ford | 97 inManufacturer claim · Porsche |
| Weight | ||
| Curb weightLower is better | 3731 lbManufacturer claim · Ford | 3054 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. | 18.0 mpgHomologation · US EPA | 22.0 mpgBestHomologation · US EPA |
| Fuel economy (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 15.0 mpgHomologation · US EPA | 19.0 mpgBestHomologation · US EPA |
| Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 23.0 mpgHomologation · US EPA | 25.0 mpgBestHomologation · US EPA |
| Fuel tank capacity | 16.0 galManufacturer claim · Ford | 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 | 13 ft³Manufacturer claim · Ford | — |
| Seats | 4Manufacturer claim · Ford | 2Homologation · US EPA |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $48,795Independent test · Car and Driver | $84,800Homologation · US EPA |
| Tires & Wheels | ||
| Front tire size | 255/45WR18Manufacturer claim · Ford | 235/40 ZR19Manufacturer claim · Porsche |
| Rear tire size | 255/45WR18Manufacturer claim · Ford | 265/40 ZR19Manufacturer 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.
| MidManufacturer claim · Porsche |
| Induction type | Naturally aspiratedManufacturer claim · Ford | TurbochargedManufacturer claim · Porsche |
|---|
| Redline | — | 7500Manufacturer claim · Porsche |
|---|
| Transmission type | ManualManufacturer claim · Ford | ManualManufacturer claim · Porsche |
|---|
| Number of gears | 6Manufacturer claim · Ford | 6Manufacturer claim · Porsche |
|---|
| 288 miCalculated |
| 372 miBestCalculated |
| Estimated range (highway)Higher is betterEstimated from tank capacity and quoted highway economy — not an instrumented range. | 368 miCalculated | 423 miBestCalculated |
|---|
| Estimated range (city)Higher is betterEstimated from tank capacity and quoted city economy — not an instrumented range. | 240 miCalculated | 321 miBestCalculated |
|---|