2009 Audi A8 vs. 2008 BMW 550
To start off, 2009 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW 550. In addition, the cost of maintenance, including insurance, on 2008 BMW 550 would be higher. At 5,998 cc, 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (444 HP @ 6200 RPM) has 84 more horse power than 2008 BMW 550. (360 HP @ 6300 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2008 BMW 550. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 335 kg more than 2008 BMW 550. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 550. 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 (580 Nm @ 4000 RPM) has 90 more torque (in Nm) than 2008 BMW 550. (490 Nm @ 3400 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 550.
Compare all specifications:
2009 Audi A8 | 2008 BMW 550 | |
Make | Audi | BMW |
Model | A8 | 550 |
Year Released | 2009 | 2008 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 5998 cc | 4799 cc |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 444 HP | 360 HP |
Engine RPM | 6200 RPM | 6300 RPM |
Torque | 580 Nm | 490 Nm |
Torque RPM | 4000 RPM | 3400 RPM |
Engine Compression Ratio | 11.0:1 | 10.5:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Acceleration 0-100mph | 5.1 seconds | 5.9 seconds |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1995 kg | 1660 kg |
Vehicle Length | 5070 mm | 4860 mm |
Vehicle Width | 1900 mm | 1850 mm |
Vehicle Height | 1450 mm | 1470 mm |
Wheelbase Size | 3080 mm | 2890 mm |
Fuel Consumption Overall | 13.8 L/100km | 7.8 L/100km |
Fuel Tank Capacity | 90 L | 70 L |