2006 Audi S6 vs. 2004 BMW 730
To start off, 2006 Audi S6 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 BMW 730. In addition, the cost of maintenance, including insurance, on 2004 BMW 730 would be higher. At 5,204 cc (10 cylinders), 2006 Audi S6 is equipped with a bigger engine. In terms of performance, 2006 Audi S6 (420 HP @ 6800 RPM) has 195 more horse power than 2004 BMW 730. (225 HP @ 6000 RPM). In normal driving conditions, 2006 Audi S6 should accelerate faster than 2004 BMW 730.
Because 2006 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 730. In wet, icy, snow, or gravel driving conditions, 2006 Audi S6 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, 2006 Audi S6 (732 Nm @ 3000 RPM) has 432 more torque (in Nm) than 2004 BMW 730. (300 Nm @ 3500 RPM). This means 2006 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 730.
Compare all specifications:
| 2006 Audi S6 | 2004 BMW 730 | |
| Make | Audi | BMW |
| Model | S6 | 730 |
| Year Released | 2006 | 2004 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 2979 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 420 HP | 225 HP |
| Engine RPM | 6800 RPM | 6000 RPM |
| Torque | 732 Nm | 300 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Compression Ratio | 12.5:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Width | 1870 mm | 1910 mm |
