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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 | Audi2027 Audi A8 L 55 TFSI quattro | Porsche2025 Porsche Panamera |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 130 mphManufacturer claim · Audi of America | 169 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. | 154.7 hp/tCalculated | 178.6 hp/tBestCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | — | 0.96 gIndependent test · Car and Driver |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 5.60 sManufacturer claim · Audi of America | 4.80 sBestManufacturer claim · Porsche |
| 0–100 km/hLower is better | 5.70 sManufacturer claim · Audi of America | 5.30 sBestManufacturer claim · Porsche |
| 0–100 mph | — | 11.30 sIndependent test · Car and Driver |
| 0–200 km/h | — | 20.1 sManufacturer claim · Porsche |
| Quarter-mile elapsed time | — | 13.50 sManufacturer claim · Porsche |
| Braking | ||
| 70–0 mph braking distanceLower is better | 149.0 ftBestIndependent test · Car and Driver | 155.0 ftIndependent test · Car and Driver |
| 100–0 mph braking distance | — | 313.0 ftIndependent test · Car and Driver |
| Engine & Powertrain | ||
| Peak powerHigher is better | 335 hpManufacturer claim · Audi of America | 348 hpBestManufacturer claim · Porsche |
| Peak torqueHigher is better | 369 lb-ftBestManufacturer claim · Audi of America | 368 lb-ftManufacturer claim · Porsche |
| Engine displacement | 3000.0 ccManufacturer claim · Audi of America | 2894.0 ccManufacturer claim · Porsche |
| Cylinder count | 6Manufacturer claim · Audi of America | 6Manufacturer claim · Porsche |
| Engine layout | V6Manufacturer claim · Audi of America | V6Manufacturer claim · Porsche |
| Engine placement | — | |
| Dimensions | ||
| Length | — | 199 inManufacturer claim · Porsche |
| Width | — | 78 inManufacturer claim · Porsche |
| Height | — | 56 inManufacturer claim · Porsche |
| Wheelbase | — | 116 inManufacturer claim · Porsche |
| Weight | ||
| Curb weightLower is better | 4773 lbManufacturer claim · Audi of America | 4295 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. | 22.0 mpgBestHomologation · US EPA | 21.0 mpgHomologation · US EPA |
| Fuel economy (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 19.0 mpgBestHomologation · US EPA | 18.0 mpgHomologation · US EPA |
| Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 27.0 mpgBestHomologation · US EPA | 25.0 mpgHomologation · US EPA |
| Fuel tank capacity | — | 23.7 galManufacturer claim · Porsche |
| Estimated range (combined)Estimated from tank capacity and quoted combined economy — not an instrumented range. | — | |
| Practicality | ||
| Cargo volume | — | 18 ft³Manufacturer claim · Porsche |
| Seats | — | 4Manufacturer claim · Porsche |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $95,100Manufacturer claim · Audi of America | $102,800Manufacturer claim · Porsche |
| Aerodynamics | ||
| Drag coefficient (Cd) | — | 0.29 :1Manufacturer claim · Porsche |
| Tires & Wheels | ||
| Front tire size | — | 265/45 ZR19Manufacturer claim · Porsche |
| Rear tire size | — | 295/40 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.
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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 | TurbochargedManufacturer claim · Audi of America | Twin-turboManufacturer claim · Porsche |
|---|
| Redline | — | 6800Manufacturer claim · Porsche |
|---|
| Transmission type | Torque-converter automaticManufacturer claim · Audi of America | Dual-clutch (PDK)Manufacturer claim · Porsche |
|---|
| Number of gears | 8Manufacturer claim · Audi of America | 8Manufacturer claim · Porsche |
|---|
| 498 miCalculated |
| Estimated range (highway)Estimated from tank capacity and quoted highway economy — not an instrumented range. | — | 593 miCalculated |
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| Estimated range (city)Estimated from tank capacity and quoted city economy — not an instrumented range. | — | 427 miCalculated |
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