2008 Audi A4 vs. 2005 Audi RS4
To start off, 2008 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi RS4. In addition, the cost of maintenance, including insurance, on 2005 Audi RS4 would be higher. At 2,671 cc (6 cylinders), 2005 Audi RS4 is equipped with a bigger engine. In terms of performance, 2005 Audi RS4 (376 HP @ 6300 RPM) has 248 more horse power than 2008 Audi A4. (128 HP @ 5700 RPM) In normal driving conditions, 2005 Audi RS4 should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS4 weights approximately 220 kg more than 2008 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Audi A4. In wet, icy, snow, or gravel driving conditions, 2005 Audi RS4 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 Audi RS4 (449 Nm @ 2500 RPM) has 254 more torque (in Nm) than 2008 Audi A4. (195 Nm @ 3300 RPM). This means 2005 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4.
Compare all specifications:
| 2008 Audi A4 | 2005 Audi RS4 | |
| Make | Audi | Audi |
| Model | A4 | RS4 |
| Year Released | 2008 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 2671 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 128 HP | 376 HP |
| Engine RPM | 5700 RPM | 6300 RPM |
| Torque | 195 Nm | 449 Nm |
| Torque RPM | 3300 RPM | 2500 RPM |
| Engine Compression Ratio | 10.3:1 | 12.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 208 km/hour | 245 km/hour |
| Acceleration 0-100mph | 10.1 seconds | 4.8 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1365 kg | 1585 kg |
| Vehicle Length | 4550 mm | 4600 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2610 mm |
| Fuel Consumption Overall | 8 L/100km | 13.7 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
