2004 Audi A8 vs. 2009 Porsche Cayenne
To start off, 2009 Porsche Cayenne is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A8. In addition, the cost of maintenance, including insurance, on 2004 Audi A8 would be higher. At 4,806 cc (8 cylinders), 2009 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayenne (494 HP @ 6000 RPM) has 277 more horse power than 2004 Audi A8. (217 HP @ 6300 RPM) In normal driving conditions, 2009 Porsche Cayenne should accelerate faster than 2004 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche Cayenne weights approximately 760 kg more than 2004 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 2004 Audi A8. In wet, icy, snow, or gravel driving conditions, 2009 Porsche Cayenne will offer significantly more control. 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, 2009 Porsche Cayenne (700 Nm @ 4500 RPM) has 400 more torque (in Nm) than 2004 Audi A8. (300 Nm @ 8200 RPM). This means 2009 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A8. 2009 Porsche Cayenne has automatic transmission and 2004 Audi A8 has manual transmission. 2004 Audi A8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Porsche Cayenne will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A8 | 2009 Porsche Cayenne | |
| Make | Audi | Porsche |
| Model | A8 | Cayenne |
| Year Released | 2004 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2975 cc | 4806 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 494 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 300 Nm | 700 Nm |
| Torque RPM | 8200 RPM | 4500 RPM |
| Engine Bore Size | 82.5 mm | 96 mm |
| Engine Stroke Size | 92.8 mm | 83 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 245 km/hour | 275 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 5.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1670 kg | 2430 kg |
| Vehicle Length | 5060 mm | 4800 mm |
| Vehicle Width | 1900 mm | 1700 mm |
| Vehicle Height | 1450 mm | 1930 mm |
| Wheelbase Size | 2950 mm | 2860 mm |
| Fuel Consumption Overall | 9.6 L/100km | 14.9 L/100km |
| Fuel Tank Capacity | 42 L | 100 L |
