2007 Audi RS4 vs. 2005 Audi S4
To start off, 2007 Audi RS4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. Both 2007 Audi RS4 and 2005 Audi S4 are equipped with a 4,161 cc engine. In terms of performance, 2007 Audi RS4 (420 HP @ 8205 RPM) has 80 more horse power than 2005 Audi S4. (340 HP @ 6300 RPM). In normal driving conditions, 2007 Audi RS4 should accelerate faster than 2005 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 140 kg more than 2007 Audi RS4.
Let's talk about torque, 2007 Audi RS4 (430 Nm) has 20 more torque (in Nm) than 2005 Audi S4. (410 Nm). This means 2007 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2007 Audi RS4 | 2005 Audi S4 | |
| Make | Audi | Audi |
| Model | RS4 | S4 |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 4161 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 420 HP | 340 HP |
| Engine RPM | 8205 RPM | 6300 RPM |
| Torque | 430 Nm | 410 Nm |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1700 kg | 1840 kg |
| Vehicle Width | 1820 mm | 1780 mm |
