2006 Audi A6 vs. 2007 BMW 545
To start off, 2007 BMW 545 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Audi A6. In addition, the cost of maintenance, including insurance, on 2006 Audi A6 would be higher. At 4,398 cc (8 cylinders), 2007 BMW 545 is equipped with a bigger engine. In terms of performance, 2007 BMW 545 (328 HP @ 6100 RPM) has 106 more horse power than 2006 Audi A6. (222 HP @ 4000 RPM) In normal driving conditions, 2007 BMW 545 should accelerate faster than 2006 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A6 weights approximately 60 kg more than 2007 BMW 545.
Because 2006 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 545. In wet, icy, snow, or gravel driving conditions, 2006 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, both vehicles can yield 450 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2007 BMW 545 has automatic transmission and 2006 Audi A6 has manual transmission. 2006 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 545 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi A6 | 2007 BMW 545 | |
| Make | Audi | BMW |
| Model | A6 | 545 |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2966 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 222 HP | 328 HP |
| Engine RPM | 4000 RPM | 6100 RPM |
| Torque | 450 Nm | 450 Nm |
| Torque RPM | 1400 RPM | 3600 RPM |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 243 km/hour | 245 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 5.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1765 kg | 1705 kg |
| Vehicle Length | 4920 mm | 4850 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2890 mm |
| Fuel Consumption Overall | 8.3 L/100km | 11 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
