2009 Audi A6 vs. 2006 BMW 650
To start off, 2009 Audi A6 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW 650. In addition, the cost of maintenance, including insurance, on 2006 BMW 650 would be higher. At 4,801 cc (8 cylinders), 2006 BMW 650 is equipped with a bigger engine. In terms of performance, 2006 BMW 650 (360 HP @ 6300 RPM) has 108 more horse power than 2009 Audi A6. (252 HP @ 6500 RPM) In normal driving conditions, 2006 BMW 650 should accelerate faster than 2009 Audi A6.
Because 2006 BMW 650 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 650. However, in wet, icy, snow, or gravel driving conditions, 2009 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 650 (488 Nm @ 3400 RPM) has 158 more torque (in Nm) than 2009 Audi A6. (330 Nm @ 3250 RPM). This means 2006 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 2006 BMW 650 | |
| Make | Audi | BMW |
| Model | A6 | 650 |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 4801 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 252 HP | 360 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 330 Nm | 488 Nm |
| Torque RPM | 3250 RPM | 3400 RPM |
| Engine Bore Size | 84.5 mm | 93 mm |
| Engine Stroke Size | 92.8 mm | 88.3 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4920 mm | 4840 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1380 mm |
| Wheelbase Size | 2850 mm | 2790 mm |
| Fuel Consumption Overall | 9.9 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
