2007 Audi RS4 vs. 2004 Audi S4
To start off, 2007 Audi RS4 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi S4. In addition, the cost of maintenance, including insurance, on 2004 Audi S4 would be higher. At 4,170 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (420 HP @ 8205 RPM) has 81 more horse power than 2004 Audi S4. (339 HP @ 7000 RPM). In normal driving conditions, 2007 Audi RS4 should accelerate faster than 2004 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 55 kg more than 2007 Audi RS4.
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, 2007 Audi RS4 (430 Nm @ 5500 RPM) has 20 more torque (in Nm) than 2004 Audi S4. (410 Nm @ 3500 RPM). This means 2007 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi S4.
Compare all specifications:
| 2007 Audi RS4 | 2004 Audi S4 | |
| Make | Audi | Audi |
| Model | RS4 | S4 |
| Year Released | 2007 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 4170 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 420 HP | 339 HP |
| Engine RPM | 8205 RPM | 7000 RPM |
| Torque | 430 Nm | 410 Nm |
| Torque RPM | 5500 RPM | 3500 RPM |
| Top Speed | 249 km/hour | 250 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1700 kg | 1755 kg |
| Vehicle Width | 1820 mm | 1780 mm |
