2010 Audi A6 vs. 2009 BMW 545
To start off, 2010 Audi A6 is newer by 1 year(s). Which means there will be less support and parts availability for 2009 BMW 545. In addition, the cost of maintenance, including insurance, on 2009 BMW 545 would be higher. At 4,398 cc (8 cylinders), 2009 BMW 545 is equipped with a bigger engine. In terms of performance, 2010 Audi A6 (350 HP @ 6800 RPM) has 22 more horse power than 2009 BMW 545. (328 HP @ 6100 RPM). In normal driving conditions, 2010 Audi A6 should accelerate faster than 2009 BMW 545.
Because 2010 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 545. In wet, icy, snow, or gravel driving conditions, 2010 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 545 (450 Nm @ 3600 RPM) has 10 more torque (in Nm) than 2010 Audi A6. (440 Nm @ 3500 RPM). This means 2009 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2010 Audi A6.
Compare all specifications:
| 2010 Audi A6 | 2009 BMW 545 | |
| Make | Audi | BMW |
| Model | A6 | 545 |
| Year Released | 2010 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4200 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 328 HP |
| Engine RPM | 6800 RPM | 6100 RPM |
| Torque | 440 Nm | 450 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4934 mm | 4850 mm |
| Vehicle Width | 1862 mm | 1850 mm |
| Vehicle Height | 1519 mm | 1470 mm |
| Wheelbase Size | 2833 mm | 2890 mm |
