2005 Audi A4 vs. 2006 Audi RS4
To start off, 2006 Audi RS4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 4,163 cc (8 cylinders), 2006 Audi RS4 is equipped with a bigger engine. In terms of performance, 2006 Audi RS4 (420 HP @ 8250 RPM) has 203 more horse power than 2005 Audi A4. (217 HP @ 4000 RPM) In normal driving conditions, 2006 Audi RS4 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 149 kg more than 2006 Audi RS4.
Let's talk about torque, 2006 Audi RS4 (583 Nm) has 283 more torque (in Nm) than 2005 Audi A4. (300 Nm). This means 2006 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2006 Audi RS4 | |
| Make | Audi | Audi |
| Model | A4 | RS4 |
| Year Released | 2005 | 2006 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 217 HP | 420 HP |
| Engine RPM | 4000 RPM | 8250 RPM |
| Torque | 300 Nm | 583 Nm |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1698 kg | 1549 kg |
| Vehicle Length | 4580 mm | 360 mm |
| Vehicle Height | 1400 mm | 360 mm |
| Wheelbase Size | 2660 mm | 360 mm |
