2009 Audi A8 vs. 2007 BMW 550
To start off, 2009 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 550. In addition, the cost of maintenance, including insurance, on 2007 BMW 550 would be higher. At 4,797 cc, 2007 BMW 550 is equipped with a bigger engine. In terms of performance, 2007 BMW 550 (657 HP @ 3400 RPM) has 307 more horse power than 2009 Audi A8. (350 HP @ 6800 RPM) In normal driving conditions, 2007 BMW 550 should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 550 weights approximately 496 kg more than 2009 Audi A8. 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 2007 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, 2007 BMW 550 (490 Nm @ 3400 RPM) has 49 more torque (in Nm) than 2009 Audi A8. (441 Nm @ 3500 RPM). This means 2007 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
2009 Audi A8 | 2007 BMW 550 | |
Make | Audi | BMW |
Model | A8 | 550 |
Year Released | 2009 | 2007 |
Engine Position | Front | Front |
Engine Size | 4163 cc | 4797 cc |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 350 HP | 657 HP |
Engine RPM | 6800 RPM | 3400 RPM |
Torque | 441 Nm | 490 Nm |
Torque RPM | 3500 RPM | 3400 RPM |
Engine Compression Ratio | 12.5:1 | 10.5:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1164 kg | 1660 kg |
Vehicle Length | 5200 mm | 4850 mm |
Vehicle Width | 1900 mm | 1470 mm |
Vehicle Height | 1460 mm | 1850 mm |
Wheelbase Size | 3080 mm | 2890 mm |
Fuel Consumption Overall | 13.1 L/100km | 10.8 L/100km |
Fuel Tank Capacity | 90 L | 70 L |