2002 Audi S4 vs. 2004 Audi A4
To start off, 2004 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2002 Audi S4. In addition, the cost of maintenance, including insurance, on 2002 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2002 Audi S4 is equipped with a bigger engine. In terms of performance, 2002 Audi S4 (339 HP @ 7000 RPM) has 138 more horse power than 2004 Audi A4. (201 HP @ 3500 RPM). In normal driving conditions, 2002 Audi S4 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi S4 weights approximately 110 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 A4 (451 Nm @ 1400 RPM) has 41 more torque (in Nm) than 2002 Audi S4. (410 Nm @ 3500 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2002 Audi S4.
Compare all specifications:
| 2002 Audi S4 | 2004 Audi A4 | |
| Make | Audi | Audi |
| Model | S4 | A4 |
| Year Released | 2002 | 2004 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2967 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 201 HP |
| Engine RPM | 7000 RPM | 3500 RPM |
| Torque | 410 Nm | 451 Nm |
| Torque RPM | 3500 RPM | 1400 RPM |
| Engine Bore Size | 84.6 mm | 83 mm |
| Engine Stroke Size | 92.8 mm | 91.4 mm |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1720 kg | 1610 kg |
| Vehicle Length | 4580 mm | 4590 mm |
| Vehicle Width | 1790 mm | 1770 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2430 mm |
| Fuel Tank Capacity | 66 L | 63 L |
