2002 Audi A6 vs. 2004 Audi S4
To start off, 2004 Audi S4 is newer by 2 year(s). Which means there will be less support and parts availability for 2002 Audi A6. In addition, the cost of maintenance, including insurance, on 2002 Audi A6 would be higher. At 4,163 cc (8 cylinders), 2002 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (339 HP @ 7000 RPM) has 43 more horse power than 2002 Audi A6. (296 HP @ 6300 RPM) In normal driving conditions, 2004 Audi S4 should accelerate faster than 2002 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi A6 weights approximately 95 kg more than 2004 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, 2004 Audi S4 (410 Nm @ 3500 RPM) has 29 more torque (in Nm) than 2002 Audi A6. (381 Nm @ 2700 RPM). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2002 Audi A6.
Compare all specifications:
| 2002 Audi A6 | 2004 Audi S4 | |
| Make | Audi | Audi |
| Model | A6 | S4 |
| Year Released | 2002 | 2004 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4162 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 296 HP | 339 HP |
| Engine RPM | 6300 RPM | 7000 RPM |
| Torque | 381 Nm | 410 Nm |
| Torque RPM | 2700 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84.5 mm |
| Engine Stroke Size | 93 mm | 92.8 mm |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1860 kg | 1765 kg |
| Vehicle Length | 4820 mm | 4590 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1560 mm | 1430 mm |
| Wheelbase Size | 2760 mm | 2470 mm |
| Fuel Tank Capacity | 82 L | 63 L |
