2005 Audi S8 vs. 2004 Porsche 911
To start off, 2005 Audi S8 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Porsche 911. In addition, the cost of maintenance, including insurance, on 2004 Porsche 911 would be higher. At 4,172 cc (8 cylinders), 2005 Audi S8 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (315 HP @ 6800 RPM) has 68 more horse power than 2005 Audi S8. (247 HP @ 4000 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 2005 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S8 weights approximately 345 kg more than 2004 Porsche 911.
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 S8 (450 Nm) has 80 more torque (in Nm) than 2004 Porsche 911. (370 Nm). This means 2005 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Porsche 911.
Compare all specifications:
| 2005 Audi S8 | 2004 Porsche 911 | |
| Make | Audi | Porsche |
| Model | S8 | 911 |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4172 cc | 3589 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 315 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 450 Nm | 370 Nm |
| Drive Type | AWD | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1770 kg | 1425 kg |
| Wheelbase Size | 2290 mm | 2360 mm |
| Fuel Tank Capacity | 90 L | 64 L |
