2008 Audi A6 vs. 2006 BMW 550
To start off, 2008 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW 550. In addition, the cost of maintenance, including insurance, on 2006 BMW 550 would be higher. At 4,799 cc (8 cylinders), 2006 BMW 550 is equipped with a bigger engine. In terms of performance, 2006 BMW 550 (360 HP @ 6300 RPM) has 183 more horse power than 2008 Audi A6. (177 HP @ 3300 RPM) In normal driving conditions, 2006 BMW 550 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 550 weights approximately 70 kg more than 2008 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 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 2006 BMW 550. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 2006 BMW 550 (488 Nm @ 3400 RPM) has 108 more torque (in Nm) than 2008 Audi A6. (380 Nm @ 1400 RPM). This means 2006 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6. 2008 Audi A6 has automatic transmission and 2006 BMW 550 has manual transmission. 2006 BMW 550 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A6 | 2006 BMW 550 | |
| Make | Audi | BMW |
| Model | A6 | 550 |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3698 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 177 HP | 360 HP |
| Engine RPM | 3300 RPM | 6300 RPM |
| Torque | 380 Nm | 488 Nm |
| Torque RPM | 1400 RPM | 3400 RPM |
| Engine Bore Size | 83.1 mm | 93.1 mm |
| Engine Stroke Size | 83.1 mm | 88.4 mm |
| Engine Compression Ratio | 17.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 8.3 seconds | 5.5 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1655 kg | 1725 kg |
| Vehicle Length | 4920 mm | 4880 mm |
| Vehicle Width | 1470 mm | 1850 mm |
| Vehicle Height | 1860 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2890 mm |
| Fuel Consumption Overall | 7.2 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
