2006 Audi A4 vs. 2002 Audi S4
To start off, 2006 Audi A4 is newer by 4 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 178 more horse power than 2006 Audi A4. (161 HP @ 4000 RPM) In normal driving conditions, 2002 Audi S4 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi S4 weights approximately 102 kg more than 2006 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2002 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi A4. In wet, icy, snow, or gravel driving conditions, 2002 Audi S4 will offer significantly more control. 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, 2002 Audi S4 (410 Nm @ 3500 RPM) has 60 more torque (in Nm) than 2006 Audi A4. (350 Nm @ 1500 RPM). This means 2002 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 2002 Audi S4 | |
| Make | Audi | Audi |
| Model | A4 | S4 |
| Year Released | 2006 | 2002 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 161 HP | 339 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 350 Nm | 410 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Engine Bore Size | 78.3 mm | 84.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Engine Compression Ratio | 18.0:1 | 11.0:1 |
| Top Speed | 225 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 5.6 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1662 kg |
| Vehicle Length | 4550 mm | 4580 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
| Fuel Tank Capacity | 70 L | 66 L |
