2007 Audi S4 vs. 2003 Audi RS4
To start off, 2007 Audi S4 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Audi RS4. In addition, the cost of maintenance, including insurance, on 2003 Audi RS4 would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2003 Audi RS4 (377 HP @ 6300 RPM) has 36 more horse power than 2007 Audi S4. (341 HP @ 7000 RPM) In normal driving conditions, 2003 Audi RS4 should accelerate faster than 2007 Audi S4.
Let's talk about torque, 2003 Audi RS4 (449 Nm @ 2500 RPM) has 39 more torque (in Nm) than 2007 Audi S4. (410 Nm @ 3500 RPM). This means 2003 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi S4.
Compare all specifications:
| 2007 Audi S4 | 2003 Audi RS4 | |
| Make | Audi | Audi |
| Model | S4 | RS4 |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2671 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 341 HP | 377 HP |
| Engine RPM | 7000 RPM | 6300 RPM |
| Torque | 410 Nm | 449 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4590 mm | 4480 mm |
| Vehicle Width | 1730 mm | 1740 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2650 mm | 2610 mm |
| Fuel Tank Capacity | 63 L | 55 L |
