2008 Audi RS6 vs. 2005 Porsche 911
To start off, 2008 Audi RS6 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 4,175 cc (8 cylinders), 2008 Audi RS6 is equipped with a bigger engine. In terms of performance, 2008 Audi RS6 (580 HP @ 6250 RPM) has 264 more horse power than 2005 Porsche 911. (316 HP @ 6800 RPM). In normal driving conditions, 2008 Audi RS6 should accelerate faster than 2005 Porsche 911.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2008 Audi RS6 (881 Nm @ 6250 RPM) has 511 more torque (in Nm) than 2005 Porsche 911. (370 Nm @ 4250 RPM). This means 2008 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911.
Compare all specifications:
| 2008 Audi RS6 | 2005 Porsche 911 | |
| Make | Audi | Porsche |
| Model | RS6 | 911 |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4175 cc | 3596 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 580 HP | 316 HP |
| Engine RPM | 6250 RPM | 6800 RPM |
| Torque | 881 Nm | 370 Nm |
| Torque RPM | 6250 RPM | 4250 RPM |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Width | 1820 mm | 1840 mm |
