2009 Audi A8 vs. 2004 BMW 745
To start off, 2009 Audi A8 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 BMW 745. In addition, the cost of maintenance, including insurance, on 2004 BMW 745 would be higher. At 4,390 cc (8 cylinders), 2004 BMW 745 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (350 HP @ 6800 RPM) has 28 more horse power than 2004 BMW 745. (322 HP @ 7400 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2004 BMW 745.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 745. In wet, icy, snow, or gravel driving conditions, 2009 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, 2004 BMW 745 (447 Nm) has 5 more torque (in Nm) than 2009 Audi A8. (442 Nm). This means 2004 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2009 Audi A8 | 2004 BMW 745 | |
| Make | Audi | BMW |
| Model | A8 | 745 |
| Year Released | 2009 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4390 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 322 HP |
| Engine RPM | 6800 RPM | 7400 RPM |
| Torque | 442 Nm | 447 Nm |
| Engine Bore Size | 84.5 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 83 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5070 mm | 5180 mm |
| Vehicle Width | 1900 mm | 1910 mm |
| Vehicle Height | 1450 mm | 1500 mm |
| Wheelbase Size | 2950 mm | 3140 mm |
| Fuel Consumption Highway | 10.2 L/100km | 9.1 L/100km |
| Fuel Consumption City | 14.7 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 90 L | 88 L |
