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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 | Porsche2024 Porsche 911 GT3 RS | Aston Martin2026 Aston Martin DB12 Coupe |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 184 mphManufacturer claim · Porsche | 202 mphBestManufacturer claim · Aston Martin |
| 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. | 349.4 hp/tCalculated | 375.1 hp/tBestCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | 1.18 gIndependent test · MotorTrend | — |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 2.80 sBestIndependent test · MotorTrend | 3.50 sManufacturer claim · Aston Martin |
| 0–100 km/hLower is better | 3.20 sBestManufacturer claim · Porsche | 3.60 sManufacturer claim · Aston Martin |
| 0–100 mph | 6.60 sIndependent test · Car and Driver | — |
| 0–200 km/hLower is better | 10.6 sBestManufacturer claim · Porsche | 10.9 sIndependent test · auto motor und sport |
| Quarter-mile elapsed time | 10.90 sIndependent test · MotorTrend | — |
| Quarter-mile trap speed | 126.8 mph | |
| Braking | ||
| 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 | 518 hpManufacturer claim · Porsche | 671 hpBestManufacturer claim · Aston Martin |
| Peak torqueHigher is better | 343 lb-ftManufacturer claim · Porsche | 590 lb-ftBestManufacturer claim · Aston Martin |
| Engine displacement | 4000.0 ccManufacturer claim · Porsche | 4000.0 ccManufacturer claim · Aston Martin |
| Cylinder count | 6Manufacturer claim · Porsche | 8Manufacturer claim · Aston Martin |
| Engine layout | Flat-6Manufacturer claim · Porsche | V8Manufacturer claim · Aston Martin |
| Engine placement | RearManufacturer claim · Porsche | |
| Dimensions | ||
| Length | 180 inManufacturer claim · Porsche | 186 inManufacturer claim · Aston Martin |
| Width | 75 inManufacturer claim · Porsche | 78 inManufacturer claim · Aston Martin |
| Height | 52 inManufacturer claim · Porsche | 51 inManufacturer claim · Aston Martin |
| Wheelbase | 97 inManufacturer claim · Porsche | 110 inManufacturer claim · Aston Martin |
| Weight | ||
| Curb weightLower is better | 3268 lbBestManufacturer claim · Porsche | 3942 lbManufacturer claim · Aston Martin |
| 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 mpgHomologation · US EPA | 17.0 mpgBestHomologation · US EPA |
| Fuel economy (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 14.0 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. | 18.0 mpgHomologation · US EPA | 22.0 mpgBestHomologation · US EPA |
| Fuel tank capacity | 16.9 galManufacturer claim · Porsche | 20.6 galManufacturer claim · Aston Martin |
| Estimated range (combined)Higher is betterEstimated from tank capacity and quoted combined economy — not an instrumented range. | ||
| Practicality | ||
| Seats | 2Manufacturer claim · Porsche | 4Manufacturer claim · Aston Martin |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $241,300Independent test · CarBuzz | $262,000Independent test · CarBuzz |
| Aerodynamics | ||
| Drag coefficient (Cd) | 0.39 :1Manufacturer claim · Porsche | — |
| Tires & Wheels | ||
| Front tire size | 275/35 ZR20Manufacturer claim · Porsche | — |
| Rear tire size | 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.
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Add a value with its source. An editor verifies every submission against its citation before it appears on the site.
| — |
| FrontManufacturer claim · Aston Martin |
| Induction type | Naturally aspiratedManufacturer claim · Porsche | Twin-turboManufacturer claim · Aston Martin |
|---|
| Redline | 9000Manufacturer claim · Porsche | — |
|---|
| Transmission type | Dual-clutch (PDK)Manufacturer claim · Porsche | Torque-converter automaticManufacturer claim · Aston Martin |
|---|
| Number of gears | 7Manufacturer claim · Porsche | 8Manufacturer claim · Aston Martin |
|---|
| 271 miCalculated |
| 350 miBestCalculated |
| Estimated range (highway)Higher is betterEstimated from tank capacity and quoted highway economy — not an instrumented range. | 304 miCalculated | 453 miBestCalculated |
|---|
| Estimated range (city)Higher is betterEstimated from tank capacity and quoted city economy — not an instrumented range. | 237 miCalculated | 309 miBestCalculated |
|---|