2009 Audi A8 vs. 2005 BMW 730
To start off, 2009 Audi A8 is newer by 4 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 3,696 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (276 HP @ 6000 RPM) has 51 more horse power than 2005 BMW 730. (225 HP @ 6250 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2005 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 20 kg more than 2009 Audi A8.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 730. 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, 2009 Audi A8 (360 Nm @ 3750 RPM) has 60 more torque (in Nm) than 2005 BMW 730. (300 Nm @ 3500 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 730.
Compare all specifications:
2009 Audi A8 | 2005 BMW 730 | |
Make | Audi | BMW |
Model | A8 | 730 |
Year Released | 2009 | 2005 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 3696 cc | 2982 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 5 valves | 4 valves |
Horse Power | 276 HP | 225 HP |
Engine RPM | 6000 RPM | 6250 RPM |
Torque | 360 Nm | 300 Nm |
Torque RPM | 3750 RPM | 3500 RPM |
Engine Bore Size | 84.5 mm | 84 mm |
Engine Stroke Size | 82.4 mm | 90 mm |
Engine Compression Ratio | 11.0:1 | 10.2:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1770 kg | 1790 kg |
Vehicle Length | 5060 mm | 5040 mm |
Vehicle Width | 1900 mm | 1910 mm |
Vehicle Height | 1450 mm | 1500 mm |
Wheelbase Size | 2950 mm | 3000 mm |
Fuel Tank Capacity | 90 L | 63 L |