2007 Audi A6 vs. 2009 BMW 550
To start off, 2009 BMW 550 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A6. In addition, the cost of maintenance, including insurance, on 2007 Audi A6 would be higher. At 4,799 cc (8 cylinders), 2009 BMW 550 is equipped with a bigger engine. In terms of performance, 2009 BMW 550 (360 HP @ 6300 RPM) has 192 more horse power than 2007 Audi A6. (168 HP @ 6000 RPM) In normal driving conditions, 2009 BMW 550 should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 550 weights approximately 90 kg more than 2007 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 550. In wet, icy, snow, or gravel driving conditions, 2007 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, 2009 BMW 550 (489 Nm @ 3400 RPM) has 259 more torque (in Nm) than 2007 Audi A6. (230 Nm @ 3200 RPM). This means 2009 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A6.
Compare all specifications:
| 2007 Audi A6 | 2009 BMW 550 | |
| Make | Audi | BMW |
| Model | A6 | 550 |
| Year Released | 2007 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 168 HP | 360 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 230 Nm | 489 Nm |
| Torque RPM | 3200 RPM | 3400 RPM |
| Engine Bore Size | 81 mm | 93 mm |
| Engine Stroke Size | 77.4 mm | 88.3 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 218 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.9 seconds | 5.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1640 kg | 1730 kg |
| Vehicle Length | 4800 mm | 4850 mm |
| Vehicle Width | 1820 mm | 1470 mm |
| Vehicle Height | 1460 mm | 1850 mm |
| Wheelbase Size | 2770 mm | 2890 mm |
| Fuel Consumption Overall | 10.8 L/100km | 11.1 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
