2004 Audi A6 vs. 2002 Audi S4
To start off, 2004 Audi A6 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 161 more horse power than 2004 Audi A6. (178 HP @ 4000 RPM) In normal driving conditions, 2002 Audi S4 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 68 kg more than 2002 Audi S4.
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, 2002 Audi S4 (410 Nm @ 3500 RPM) has 40 more torque (in Nm) than 2004 Audi A6. (370 Nm @ 1500 RPM). This means 2002 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 2004 Audi A6 | 2002 Audi S4 | |
| Make | Audi | Audi |
| Model | A6 | S4 |
| Year Released | 2004 | 2002 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 178 HP | 339 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 370 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 | 19.0:1 | 11.0:1 |
| Top Speed | 221 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 5.6 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1730 kg | 1662 kg |
| Vehicle Length | 4800 mm | 4580 mm |
| Vehicle Width | 1820 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2660 mm |
| Fuel Tank Capacity | 70 L | 66 L |
