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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 | Porsche2025 Porsche Cayenne | Audi2027 Audi Q8 55 TFSI quattro |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 154 mphBestManufacturer claim · Porsche | 130 mphManufacturer claim · Audi of America |
| 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. | 164.0 hp/tBestCalculated | 149.2 hp/tCalculated |
| Lateral accelerationSkidpad radius and surface affect results. | 1.02 gIndependent test · Car and Driver | — |
| Acceleration | ||
| 0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers. | 5.70 sManufacturer claim · Porsche | 5.50 sBestManufacturer claim · Audi of America |
| 0–100 km/hLower is better | 6.00 sManufacturer claim · Porsche | 5.60 sBestManufacturer claim · Audi of America |
| 0–100 mph | 12.80 sIndependent test · Car and Driver | — |
| 0–200 km/h | 24.0 sManufacturer claim · Porsche | — |
| Quarter-mile elapsed time | 14.30 sManufacturer claim · Porsche | — |
| Braking | ||
| 70–0 mph braking distance | 152.0 ftIndependent test · Car and Driver | — |
| 100–0 mph braking distance | 304.0 ftIndependent test · Car and Driver | — |
| Engine & Powertrain | ||
| Peak powerHigher is better | 348 hpBestManufacturer claim · Porsche | 335 hpManufacturer claim · Audi of America |
| Peak torqueHigher is better | 368 lb-ftManufacturer claim · Porsche | 369 lb-ftBestManufacturer claim · Audi of America |
| Engine displacement | 3000.0 ccManufacturer claim · Porsche | 3000.0 ccManufacturer claim · Audi of America |
| Cylinder count | 6Manufacturer claim · Porsche | 6Manufacturer claim · Audi of America |
| Engine layout | V6Manufacturer claim · Porsche | V6Manufacturer claim · Audi of America |
| Engine placement | FrontManufacturer claim · Porsche | |
| Dimensions | ||
| Length | 194 inManufacturer claim · Porsche | — |
| Width | 79 inManufacturer claim · Porsche | — |
| Height | 67 inManufacturer claim · Porsche | — |
| Wheelbase | 114 inManufacturer claim · Porsche | — |
| Ground clearance | 8 inManufacturer claim · Porsche | — |
| Weight | ||
| Curb weightLower is better | 4678 lbBestManufacturer claim · Porsche | 4949 lbManufacturer claim · Audi of America |
| Fuel Economy | ||
| Fuel economy (combined)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 19.0 mpgTieHomologation · US EPA | 19.0 mpgTieManufacturer claim · Audi of America |
| Fuel economy (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 17.0 mpgTieHomologation · US EPA | 17.0 mpgTieManufacturer claim · Audi of America |
| Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 23.0 mpgTieHomologation · US EPA | 23.0 mpgTieManufacturer claim · Audi of America |
| Fuel tank capacity | 23.7 galManufacturer claim · Porsche | — |
| Estimated range (combined) | ||
| Practicality | ||
| Cargo volume | 27 ft³Manufacturer claim · Porsche | — |
| Seats | 5Manufacturer claim · Porsche | — |
| Towing capacity (braked) | 7716 lbManufacturer claim · Porsche | — |
| Pricing | ||
| Base price (as tested market)Demo prices only; not live FX. | $84,700Homologation · US EPA | $76,900Manufacturer claim · Audi of America |
| Aerodynamics | ||
| Drag coefficient (Cd) | 0.36 :1Manufacturer claim · Porsche | — |
| Tires & Wheels | ||
| Front tire size | 255/55 R20Manufacturer claim · Porsche | — |
| Rear tire size | 295/45 R20Manufacturer 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 · Porsche | TurbochargedManufacturer claim · Audi of America |
|---|
| Redline | 6500Manufacturer claim · Porsche | — |
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| Transmission type | Torque-converter automaticManufacturer claim · Porsche | Torque-converter automaticManufacturer claim · Audi of America |
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| Number of gears | 8Manufacturer claim · Porsche | 8Manufacturer claim · Audi of America |
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| 450 miCalculated |
| — |
| Estimated range (highway)Estimated from tank capacity and quoted highway economy — not an instrumented range. | 545 miCalculated | — |
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| Estimated range (city)Estimated from tank capacity and quoted city economy — not an instrumented range. | 403 miCalculated | — |
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