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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 Q8 55 TFSI quattro | Porsche2025 Porsche Cayenne |
|---|---|---|
| Performance | ||
| Top speedHigher is better | 130 mphManufacturer claim · Audi of America | 154 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. | 149.2 hp/tCalculated | 164.0 hp/tBestCalculated |
| 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. | 5.50 sBestManufacturer claim · Audi of America | 5.70 sManufacturer claim · Porsche |
| 0–100 km/hLower is better | 5.60 sBestManufacturer claim · Audi of America | 6.00 sManufacturer claim · Porsche |
| 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 | 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 | 3000.0 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 | — | 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 | 4949 lbManufacturer claim · Audi of America | 4678 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. | 19.0 mpgTieManufacturer claim · Audi of America | 19.0 mpgTieHomologation · US EPA |
| Fuel economy (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 17.0 mpgTieManufacturer claim · Audi of America | 17.0 mpgTieHomologation · US EPA |
| Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km. | 23.0 mpgTieManufacturer claim · Audi of America | 23.0 mpgTieHomologation · US EPA |
| 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. | $76,900Manufacturer claim · Audi of America | $84,700Homologation · US EPA |
| 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.
Community index
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 | TurbochargedManufacturer claim · Porsche |
|---|
| Redline | — | 6500Manufacturer claim · Porsche |
|---|
| Transmission type | Torque-converter automaticManufacturer claim · Audi of America | Torque-converter automaticManufacturer claim · Porsche |
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| Number of gears | 8Manufacturer claim · Audi of America | 8Manufacturer claim · Porsche |
|---|
| — |
| 450 miCalculated |
| Estimated range (highway)Estimated from tank capacity and quoted highway economy — not an instrumented range. | — | 545 miCalculated |
|---|
| Estimated range (city)Estimated from tank capacity and quoted city economy — not an instrumented range. | — | 403 miCalculated |
|---|