2005 Audi A8 vs. 2007 Porsche Cayenne
To start off, 2007 Porsche Cayenne is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 3,598 cc (6 cylinders), 2007 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2007 Porsche Cayenne (287 HP @ 6200 RPM) has 57 more horse power than 2005 Audi A8. (230 HP @ 4000 RPM) In normal driving conditions, 2007 Porsche Cayenne should accelerate faster than 2005 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche Cayenne weights approximately 330 kg more than 2005 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2005 Audi A8 (450 Nm @ 1400 RPM) has 65 more torque (in Nm) than 2007 Porsche Cayenne. (385 Nm @ 3000 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Porsche Cayenne. 2005 Audi A8 has automatic transmission and 2007 Porsche Cayenne has manual transmission. 2007 Porsche Cayenne will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A8 | 2007 Porsche Cayenne | |
| Make | Audi | Porsche |
| Model | A8 | Cayenne |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2966 cc | 3598 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 230 HP | 287 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 450 Nm | 385 Nm |
| Torque RPM | 1400 RPM | 3000 RPM |
| Engine Bore Size | 83 mm | 89 mm |
| Engine Stroke Size | 91.4 mm | 96.4 mm |
| Engine Compression Ratio | 17.0:1 | 12.3:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 243 km/hour | 227 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 8.1 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1830 kg | 2160 kg |
| Vehicle Length | 5060 mm | 4430 mm |
| Vehicle Width | 1900 mm | 1930 mm |
| Vehicle Height | 1450 mm | 1710 mm |
| Wheelbase Size | 2950 mm | 2860 mm |
| Fuel Consumption Overall | 8.4 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 90 L | 100 L |
