2004 Audi A6 vs. 2005 BMW 730
To start off, 2005 BMW 730 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 2,979 cc (6 cylinders), 2005 BMW 730 is equipped with a bigger engine. In terms of performance, 2005 BMW 730 (225 HP @ 4000 RPM) has 97 more horse power than 2004 Audi A6. (128 HP @ 4000 RPM) In normal driving conditions, 2005 BMW 730 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 440 kg more than 2004 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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 2005 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2005 BMW 730 (500 Nm @ 2000 RPM) has 215 more torque (in Nm) than 2004 Audi A6. (285 Nm @ 1750 RPM). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6. 2005 BMW 730 has automatic transmission and 2004 Audi A6 has manual transmission. 2004 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A6 | 2005 BMW 730 | |
| Make | Audi | BMW |
| Model | A6 | 730 |
| Year Released | 2004 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 128 HP | 225 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 285 Nm | 500 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Engine Bore Size | 79.5 mm | 84.1 mm |
| Engine Stroke Size | 95.5 mm | 90 mm |
| Engine Compression Ratio | 20.0:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 10.7 seconds | 8 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1535 kg | 1975 kg |
| Vehicle Length | 4800 mm | 5050 mm |
| Vehicle Width | 1820 mm | 1910 mm |
| Vehicle Height | 1460 mm | 1500 mm |
| Wheelbase Size | 2770 mm | 2890 mm |
| Fuel Consumption Overall | 5.9 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 70 L | 88 L |
