2004 BMW 730 vs. 2008 Audi A6
To start off, 2008 Audi A6 is newer by 4 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 3,122 cc (6 cylinders), 2008 Audi A6 is equipped with a bigger engine. In terms of performance, 2008 Audi A6 (252 HP @ 6500 RPM) has 27 more horse power than 2004 BMW 730. (225 HP @ 6000 RPM) In normal driving conditions, 2008 Audi A6 should accelerate faster than 2004 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 730 weights approximately 250 kg more than 2008 Audi A6.
Because 2004 BMW 730 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2004 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 2008 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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, 2008 Audi A6 (330 Nm @ 3250 RPM) has 30 more torque (in Nm) than 2004 BMW 730. (300 Nm @ 3500 RPM). This means 2008 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 730.
Compare all specifications:
| 2004 BMW 730 | 2008 Audi A6 | |
| Make | BMW | Audi |
| Model | 730 | A6 |
| Year Released | 2004 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 3122 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 225 HP | 252 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 300 Nm | 330 Nm |
| Torque RPM | 3500 RPM | 3250 RPM |
| Engine Bore Size | 84 mm | 84.5 mm |
| Engine Stroke Size | 90 mm | 92.8 mm |
| Engine Compression Ratio | 10.2:1 | 13.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1790 kg | 1540 kg |
| Vehicle Length | 5040 mm | 4920 mm |
| Vehicle Width | 1910 mm | 1860 mm |
| Vehicle Height | 1500 mm | 1470 mm |
| Wheelbase Size | 3000 mm | 2850 mm |
| Fuel Tank Capacity | 63 L | 70 L |
