2004 Audi A8 vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 1 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 3,596 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (414 HP @ 6000 RPM) has 194 more horse power than 2004 Audi A8. (220 HP @ 6300 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2004 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 375 kg more than 2005 Porsche 911.
Because 2005 Porsche 911 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, 2005 Porsche 911 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, 2005 Porsche 911 (560 Nm @ 2700 RPM) has 260 more torque (in Nm) than 2004 Audi A8. (300 Nm @ 8200 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A8.
Compare all specifications:
| 2004 Audi A8 | 2005 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A8 | 911 |
| Year Released | 2004 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2976 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 220 HP | 414 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 300 Nm | 560 Nm |
| Torque RPM | 8200 RPM | 2700 RPM |
| Engine Bore Size | 82.5 mm | 100 mm |
| Engine Stroke Size | 92.8 mm | 76.4 mm |
| Engine Compression Ratio | 11.0:1 | 9.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 242 km/hour | 305 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 4.2 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1995 kg | 1620 kg |
| Vehicle Length | 5190 mm | 4440 mm |
| Vehicle Width | 1900 mm | 1840 mm |
| Vehicle Height | 1460 mm | 1300 mm |
| Wheelbase Size | 3080 mm | 2360 mm |
| Fuel Consumption Overall | 9.8 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 90 L | 64 L |
