2005 Audi A6 vs. 2009 BMW 550
To start off, 2009 BMW 550 is newer by 4 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 4,798 cc, 2009 BMW 550 is equipped with a bigger engine. In terms of performance, 2009 BMW 550 (362 HP @ 6300 RPM) has 107 more horse power than 2005 Audi A6. (255 HP @ 6300 RPM) In normal driving conditions, 2009 BMW 550 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 135 kg more than 2009 BMW 550.
Because 2009 BMW 550 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 BMW 550. However, in wet, icy, snow, or gravel driving conditions, 2005 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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 BMW 550 (490 Nm) has 170 more torque (in Nm) than 2005 Audi A6. (320 Nm). This means 2009 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 | 2009 BMW 550 | |
| Make | Audi | BMW |
| Model | A6 | 550 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 4798 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 362 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 320 Nm | 490 Nm |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1795 kg | 1660 kg |
| Vehicle Length | 4920 mm | 4850 mm |
| Vehicle Width | 2020 mm | 1470 mm |
| Vehicle Height | 1470 mm | 1850 mm |
| Wheelbase Size | 2760 mm | 2890 mm |
| Fuel Tank Capacity | 80 L | 70 L |
