2004 Audi RS4 vs. 2004 Audi S4
To start off, both 2004 Audi RS4 and 2004 Audi S4 were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,172 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi RS4 (376 HP @ 6300 RPM) has 37 more horse power than 2004 Audi S4. (339 HP @ 7000 RPM). In normal driving conditions, 2004 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 135 kg more than 2004 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, 2004 Audi RS4 (450 Nm @ 2500 RPM) has 40 more torque (in Nm) than 2004 Audi S4. (410 Nm @ 3500 RPM). This means 2004 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi S4.
Compare all specifications:
| 2004 Audi RS4 | 2004 Audi S4 | |
| Make | Audi | Audi |
| Model | RS4 | S4 |
| Year Released | 2004 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 376 HP | 339 HP |
| Engine RPM | 6300 RPM | 7000 RPM |
| Torque | 450 Nm | 410 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1585 kg | 1720 kg |
| Vehicle Length | 4480 mm | 4590 mm |
| Vehicle Width | 1740 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2610 mm | 2470 mm |
| Fuel Tank Capacity | 55 L | 63 L |
