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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 | Aston Martin2026 Aston Martin Vanquish | Porsche2024 Porsche 718 Cayman GT4 RS |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 214 mphBestManufacturer claim · Aston Martin | 196 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. | 431.2 hp/tBestCalculated | 336.8 hp/tCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | — | 1.11 gIndependent test · Car and Driver |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 3.30 sTieManufacturer claim · Aston Martin | 3.20 sTieManufacturer claim · Porsche |
| 0–100 km/hLower is better | 3.30 sTieManufacturer claim · Aston Martin | 3.40 sTieIndependent test · Wikipedia |
| 0–100 mph | — | 6.70 sIndependent test · Car and Driver |
| 0–200 km/hLower is better | 9.7 sBestIndependent test · auto motor und sport | 10.9 sManufacturer claim · Porsche |
| Quarter-mile elapsed time | — | 11.00 sIndependent test · Car and Driver |
| Braking | ||
| 60–0 mph braking distance | — | 96.0 ftIndependent test · MotorTrend |
| 70–0 mph braking distance | — | 132.0 ftIndependent test · Car and Driver |
| 100–0 mph braking distance | — | 242.0 ftIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 824 hpBestManufacturer claim · Aston Martin | 493 hpManufacturer claim · Porsche |
| Peak torqueHigher is better | 738 lb-ftBestManufacturer claim · Aston Martin | 331 lb-ftManufacturer claim · Porsche |
| Engine displacement | 5200.0 ccManufacturer claim · Aston Martin | 3996.0 ccManufacturer claim · Porsche |
| Cylinder count | 12Manufacturer claim · Aston Martin | 6Manufacturer claim · Porsche |
| Engine layout | V12Manufacturer claim · Aston Martin | Flat-6Manufacturer claim · Porsche |
| Engine placement | FrontManufacturer claim · Aston Martin | |
| Dimensions | ||
| Length | 193 inManufacturer claim · Aston Martin | 175 inManufacturer claim · Porsche |
| Width | 80 inManufacturer claim · Aston Martin | 72 inManufacturer claim · Porsche |
| Height | 51 inManufacturer claim · Aston Martin | 50 inManufacturer claim · Porsche |
| Wheelbase | 114 inManufacturer claim · Aston Martin | 98 inManufacturer claim · Porsche |
| Ground clearance | 5 inManufacturer claim · Aston Martin | — |
| Weight | ||
| Curb weightLower is better | 4211 lbHomologation · US EPA | 3227 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. | 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. | 13.0 mpgHomologation · US EPA | 15.0 mpgBestHomologation · US EPA |
| Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 21.0 mpgBestHomologation · US EPA | 19.0 mpgHomologation · US EPA |
| Fuel tank capacity | 21.7 galManufacturer claim · Aston Martin | — |
| Estimated range (combined)Estimated from tank capacity and quoted combined economy — not an instrumented range. | ||
| Practicality | ||
| Seats | 2Manufacturer claim · Aston Martin | 2Homologation · US EPA |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $464,000Independent test · Kelley Blue Book | $160,700Homologation · US EPA |
| Tires & Wheels | ||
| Front tire size | — | 245/35 ZR20Manufacturer claim · Porsche |
| Rear tire size | — | 295/30 ZR20Manufacturer 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.
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Add a value with its source. An editor verifies every submission against its citation before it appears on the site.
| Quarter-mile trap speed |
|---|
| — |
| 126.0 mphIndependent test · Car and Driver |
| MidManufacturer claim · Porsche |
| Induction type | Twin-turboManufacturer claim · Aston Martin | Naturally aspiratedManufacturer claim · Porsche |
|---|
| Redline | — | 9000Manufacturer claim · Porsche |
|---|
| Transmission type | Torque-converter automaticManufacturer claim · Aston Martin | Dual-clutch (PDK)Manufacturer claim · Porsche |
|---|
| Number of gears | 8Manufacturer claim · Aston Martin | 7Manufacturer claim · Porsche |
|---|
| — |
| Estimated range (highway)Estimated from tank capacity and quoted highway economy — not an instrumented range. | 455 miCalculated | — |
|---|
| Estimated range (city)Estimated from tank capacity and quoted city economy — not an instrumented range. | 282 miCalculated | — |
|---|