2008 Audi A6 vs. 2009 BMW 745
To start off, 2009 BMW 745 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A6. In addition, the cost of maintenance, including insurance, on 2008 Audi A6 would be higher. At 4,396 cc (8 cylinders), 2009 BMW 745 is equipped with a bigger engine. In terms of performance, 2009 BMW 745 (328 HP @ 6100 RPM) has 151 more horse power than 2008 Audi A6. (177 HP @ 3300 RPM) In normal driving conditions, 2009 BMW 745 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 745 weights approximately 330 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 2009 BMW 745 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 2009 BMW 745. 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, 2009 BMW 745 (450 Nm @ 3600 RPM) has 70 more torque (in Nm) than 2008 Audi A6. (380 Nm @ 1400 RPM). This means 2009 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6.
Compare all specifications:
| 2008 Audi A6 | 2009 BMW 745 | |
| Make | Audi | BMW |
| Model | A6 | 745 |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3698 cc | 4396 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 177 HP | 328 HP |
| Engine RPM | 3300 RPM | 6100 RPM |
| Torque | 380 Nm | 450 Nm |
| Torque RPM | 1400 RPM | 3600 RPM |
| Engine Bore Size | 83.1 mm | 92 mm |
| Engine Stroke Size | 83.1 mm | 82.7 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 8.3 seconds | 6.3 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1655 kg | 1985 kg |
| Vehicle Length | 4920 mm | 5180 mm |
| Vehicle Width | 1470 mm | 1910 mm |
| Vehicle Height | 1860 mm | 1500 mm |
| Wheelbase Size | 2850 mm | 3140 mm |
| Fuel Consumption Overall | 7.2 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 88 L |
