1999 Audi S8 vs. 2005 Porsche 996
To start off, 2005 Porsche 996 is newer by 6 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 4,172 cc (8 cylinders), 1999 Audi S8 is equipped with a bigger engine. In terms of performance, 2005 Porsche 996 (414 HP @ 6000 RPM) has 79 more horse power than 1999 Audi S8. (335 HP @ 7000 RPM) In normal driving conditions, 2005 Porsche 996 should accelerate faster than 1999 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 236 kg more than 2005 Porsche 996.
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 Porsche 996 (560 Nm @ 2700 RPM) has 229 more torque (in Nm) than 1999 Audi S8. (331 Nm @ 3400 RPM). This means 2005 Porsche 996 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8.
Compare all specifications:
| 1999 Audi S8 | 2005 Porsche 996 | |
| Make | Audi | Porsche |
| Model | S8 | 996 |
| Year Released | 1999 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4172 cc | 3589 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 335 HP | 414 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 331 Nm | 560 Nm |
| Torque RPM | 3400 RPM | 2700 RPM |
| Engine Bore Size | 84.5 mm | 100 mm |
| Engine Stroke Size | 93 mm | 76 mm |
| Drive Type | AWD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1730 kg | 1494 kg |
| Vehicle Length | 5040 mm | 4440 mm |
| Vehicle Width | 1890 mm | 1840 mm |
| Vehicle Height | 1420 mm | 1300 mm |
| Wheelbase Size | 2890 mm | 2360 mm |
| Fuel Tank Capacity | 90 L | 64 L |
