2005 Audi A6 vs. 2008 BMW 550
To start off, 2008 BMW 550 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 4,799 cc, 2008 BMW 550 is equipped with a bigger engine. In terms of performance, 2008 BMW 550 (360 HP @ 6300 RPM) has 113 more horse power than 2005 Audi A6. (247 HP @ 1800 RPM) In normal driving conditions, 2008 BMW 550 should accelerate faster than 2005 Audi A6.
Because 2005 Audi A6 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, 2005 Audi A6 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, 2008 BMW 550 (490 Nm @ 3400 RPM) has 140 more torque (in Nm) than 2005 Audi A6. (350 Nm @ 1800 RPM). This means 2008 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 2008 BMW 550 | |
| Make | Audi | BMW |
| Model | A6 | 550 |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 4799 cc |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 360 HP |
| Engine RPM | 1800 RPM | 6300 RPM |
| Torque | 350 Nm | 490 Nm |
| Torque RPM | 1800 RPM | 3400 RPM |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Acceleration 0-100mph | 6.8 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 | 1660 kg | 1660 kg |
| Vehicle Length | 4800 mm | 4860 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2890 mm |
| Fuel Consumption Overall | 12.2 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
