2005 BMW 730 vs. 2012 Audi A8
To start off, 2012 Audi A8 is newer by 7 year(s). Which means there will be less support and parts availability for 2005 BMW 730. In addition, the cost of maintenance, including insurance, on 2005 BMW 730 would be higher. At 6,300 cc (12 cylinders), 2012 Audi A8 is equipped with a bigger engine. In terms of performance, 2012 Audi A8 (500 HP @ 6200 RPM) has 275 more horse power than 2005 BMW 730. (225 HP @ 4000 RPM) In normal driving conditions, 2012 Audi A8 should accelerate faster than 2005 BMW 730.
Because 2012 Audi A8 is all wheel drive (AWD), it will have significant more traction and grip than 2005 BMW 730. In wet, icy, snow, or gravel driving conditions, 2012 Audi A8 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, 2012 Audi A8 (627 Nm @ 4750 RPM) has 127 more torque (in Nm) than 2005 BMW 730. (500 Nm @ 2000 RPM). This means 2012 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 730.
Compare all specifications:
| 2005 BMW 730 | 2012 Audi A8 | |
| Make | BMW | Audi |
| Model | 730 | A8 |
| Year Released | 2005 | 2012 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 6300 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | W |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 225 HP | 500 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 500 Nm | 627 Nm |
| Torque RPM | 2000 RPM | 4750 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5050 mm | 5268 mm |
| Vehicle Width | 1910 mm | 1948 mm |
| Vehicle Height | 1500 mm | 1471 mm |
| Wheelbase Size | 2890 mm | 3122 mm |
| Fuel Consumption | 6.4 L/100km | 11.2 L/100km |
| Fuel Consumption City | 11.3 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 88 L | 90 L |
