2005 Audi S6 vs. 2004 Audi A4
To start off, 2005 Audi S6 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 4,172 cc (8 cylinders), 2005 Audi S6 is equipped with a bigger engine. In terms of performance, 2005 Audi S6 (335 HP @ 7000 RPM) has 138 more horse power than 2004 Audi A4. (197 HP @ 5100 RPM). In normal driving conditions, 2005 Audi S6 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S6 weights approximately 175 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, 2005 Audi S6 (420 Nm @ 3400 RPM) has 140 more torque (in Nm) than 2004 Audi A4. (280 Nm @ 1800 RPM). This means 2005 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2005 Audi S6 | 2004 Audi A4 | |
| Make | Audi | Audi |
| Model | S6 | A4 |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1984 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 335 HP | 197 HP |
| Engine RPM | 7000 RPM | 5100 RPM |
| Torque | 420 Nm | 280 Nm |
| Torque RPM | 3400 RPM | 1800 RPM |
| Engine Bore Size | 84.5 mm | 82.5 mm |
| Engine Stroke Size | 93 mm | 92.8 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Top Speed | 250 km/hour | 230 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 8 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1760 kg | 1585 kg |
| Wheelbase Size | 2770 mm | 2470 mm |
| Fuel Tank Capacity | 82 L | 63 L |
