1999 Audi S8 vs. 2007 Porsche Cayenne
To start off, 2007 Porsche Cayenne is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Audi S8. In addition, the cost of maintenance, including insurance, on 1999 Audi S8 would be higher. At 4,170 cc (8 cylinders), 1999 Audi S8 is equipped with a bigger engine. In terms of performance, 2007 Porsche Cayenne (287 HP @ 6200 RPM) has 40 more horse power than 1999 Audi S8. (247 HP @ 7000 RPM) In normal driving conditions, 2007 Porsche Cayenne should accelerate faster than 1999 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche Cayenne weights approximately 410 kg more than 1999 Audi S8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2007 Porsche Cayenne (385 Nm @ 3000 RPM) has 55 more torque (in Nm) than 1999 Audi S8. (330 Nm @ 3400 RPM). This means 2007 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8. 1999 Audi S8 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. 1999 Audi S8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi S8 | 2007 Porsche Cayenne | |
| Make | Audi | Porsche |
| Model | S8 | Cayenne |
| Year Released | 1999 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 3598 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 287 HP |
| Engine RPM | 7000 RPM | 6200 RPM |
| Torque | 330 Nm | 385 Nm |
| Torque RPM | 3400 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 89 mm |
| Engine Stroke Size | 93 mm | 96.4 mm |
| Engine Compression Ratio | 11.0:1 | 12.3:1 |
| Top Speed | 250 km/hour | 227 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 8.1 seconds |
| Drive Type | AWD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1750 kg | 2160 kg |
| Vehicle Length | 5040 mm | 4430 mm |
| Vehicle Width | 1890 mm | 1930 mm |
| Vehicle Height | 1420 mm | 1710 mm |
| Wheelbase Size | 2890 mm | 2860 mm |
| Fuel Consumption Overall | 13.9 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 90 L | 100 L |
