2008 Audi RS6 vs. 2004 Audi A4
To start off, 2008 Audi RS6 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 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 360 more horse power than 2004 Audi A4. (220 HP @ 6200 RPM). In normal driving conditions, 2008 Audi RS6 should accelerate faster than 2004 Audi A4.
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) has 571 more torque (in Nm) than 2004 Audi A4. (310 Nm). This means 2008 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2008 Audi RS6 | 2004 Audi A4 | |
| Make | Audi | Audi |
| Model | RS6 | A4 |
| Year Released | 2008 | 2004 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4175 cc | 2976 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 580 HP | 220 HP |
| Engine RPM | 6250 RPM | 6200 RPM |
| Torque | 881 Nm | 310 Nm |
| Engine Compression Ratio | 10.5:1 | 10.1:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Width | 1820 mm | 1780 mm |
