2005 Audi A6 vs. 2007 BMW 730
To start off, 2007 BMW 730 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 2,996 cc (6 cylinders), 2007 BMW 730 is equipped with a bigger engine. In terms of performance, 2007 BMW 730 (255 HP @ 6600 RPM) has 117 more horse power than 2005 Audi A6. (138 HP @ 4000 RPM) In normal driving conditions, 2007 BMW 730 should accelerate faster than 2005 Audi A6.
Because 2007 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 2007 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 2005 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 Audi A6 (320 Nm @ 1750 RPM) has 20 more torque (in Nm) than 2007 BMW 730. (300 Nm @ 2500 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 730. 2007 BMW 730 has automatic transmission and 2005 Audi A6 has manual transmission. 2005 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A6 | 2007 BMW 730 | |
| Make | Audi | BMW |
| Model | A6 | 730 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 255 HP |
| Engine RPM | 4000 RPM | 6600 RPM |
| Torque | 320 Nm | 300 Nm |
| Torque RPM | 1750 RPM | 2500 RPM |
| Engine Compression Ratio | 18.0:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4920 mm | 5180 mm |
| Vehicle Width | 1860 mm | 1910 mm |
| Vehicle Height | 1460 mm | 1500 mm |
| Wheelbase Size | 2850 mm | 3140 mm |
| Fuel Tank Capacity | 70 L | 88 L |
