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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 DB12 Coupe | Porsche2025 Porsche 911 GT3 with Touring Package |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 202 mphBestManufacturer claim · Aston Martin | 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. | 375.1 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. | 3.50 sBestManufacturer claim · Aston Martin | 3.70 sManufacturer claim · Porsche |
| 0–100 km/hLower is better | 3.60 sBestManufacturer claim · Aston Martin | 3.90 sManufacturer claim · Porsche |
| 0–100 mph | — | 7.10 sIndependent test · Car and Driver |
| 0–200 km/hLower is better | 10.9 sBestIndependent test · auto motor und sport | 11.9 sManufacturer claim · Porsche |
| Quarter-mile elapsed time | — | 11.30 sIndependent test · Car and Driver |
| Quarter-mile trap speed | ||
| Braking | ||
| 70–0 mph braking distance | — | 135.0 ftIndependent test · Car and Driver |
| 100–0 mph braking distance | — | 265.0 ftIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 671 hpBestManufacturer claim · Aston Martin | 502 hpManufacturer claim · Porsche |
| Peak torqueHigher is better | 590 lb-ftBestManufacturer claim · Aston Martin | 331 lb-ftManufacturer claim · Porsche |
| Engine displacement | 4000.0 ccManufacturer claim · Aston Martin | 4000.0 ccManufacturer claim · Porsche |
| Cylinder count | 8Manufacturer claim · Aston Martin | 6Manufacturer claim · Porsche |
| Engine layout | V8Manufacturer claim · Aston Martin | Flat-6Manufacturer claim · Porsche |
| Engine placement | FrontManufacturer claim · Aston Martin | |
| Dimensions | ||
| Length | 186 inManufacturer claim · Aston Martin | 180 inManufacturer claim · Porsche |
| Width | 78 inManufacturer claim · Aston Martin | 73 inManufacturer claim · Porsche |
| Height | 51 inManufacturer claim · Aston Martin | 50 inManufacturer claim · Porsche |
| Wheelbase | 110 inManufacturer claim · Aston Martin | 97 inManufacturer claim · Porsche |
| Weight | ||
| Curb weightLower is better | 3942 lbManufacturer claim · Aston Martin | 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. | 17.0 mpgBestHomologation · US EPA | 16.0 mpgHomologation · 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 mpgTieHomologation · US EPA | 15.0 mpgTieHomologation · US EPA |
| Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 22.0 mpgBestHomologation · US EPA | 18.0 mpgHomologation · US EPA |
| Fuel tank capacity | 20.6 galManufacturer claim · Aston Martin | 16.9 galIndependent test · Ultimate Specs |
| Estimated range (combined)Higher is betterEstimated from tank capacity and quoted combined economy — not an instrumented range. | ||
| Practicality | ||
| Cargo volume | — | 5 ft³Manufacturer claim · Porsche |
| Seats | 4Manufacturer claim · Aston Martin | 2Manufacturer claim · Porsche |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $262,000Independent test · CarBuzz | $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.
Community index
Add a value with its source. An editor verifies every submission against its citation before it appears on the site.
| 127.0 mphIndependent test · Car and Driver |
| RearManufacturer 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 | ManualManufacturer claim · Porsche |
|---|
| Number of gears | 8Manufacturer claim · Aston Martin | 6Independent test · Ultimate Specs |
|---|
| 350 miBestCalculated |
| 270 miCalculated |
| Estimated range (highway)Higher is betterEstimated from tank capacity and quoted highway economy — not an instrumented range. | 453 miBestCalculated | 304 miCalculated |
|---|
| Estimated range (city)Higher is betterEstimated from tank capacity and quoted city economy — not an instrumented range. | 309 miBestCalculated | 254 miCalculated |
|---|