2003 Audi A6 vs. 2008 BMW 550
To start off, 2008 BMW 550 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 2,671 cc (6 cylinders), 2003 Audi A6 is equipped with a bigger engine. In terms of performance, 2008 BMW 550 (362 HP @ 6300 RPM) has 115 more horse power than 2003 Audi A6. (247 HP @ 6300 RPM) In normal driving conditions, 2008 BMW 550 should accelerate faster than 2003 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 145 kg more than 2008 BMW 550.
Because 2003 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, 2003 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 (491 Nm @ 3400 RPM) has 152 more torque (in Nm) than 2003 Audi A6. (339 Nm @ 1800 RPM). This means 2008 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6.
Compare all specifications:
| 2003 Audi A6 | 2008 BMW 550 | |
| Make | Audi | BMW |
| Model | A6 | 550 |
| Year Released | 2003 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 362 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 339 Nm | 491 Nm |
| Torque RPM | 1800 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1805 kg | 1660 kg |
| Vehicle Length | 4800 mm | 4850 mm |
| Vehicle Width | 1860 mm | 1490 mm |
| Vehicle Height | 1560 mm | 1850 mm |
| Wheelbase Size | 2770 mm | 2890 mm |
| Fuel Tank Capacity | 70 L | 70 L |
