2006 Audi A6 vs. 2009 BMW 523
To start off, 2009 BMW 523 is newer by 3 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 3,130 cc (6 cylinders), 2006 Audi A6 is equipped with a bigger engine. In terms of performance, 2006 Audi A6 (255 HP @ 6500 RPM) has 80 more horse power than 2009 BMW 523. (175 HP @ 5800 RPM). In normal driving conditions, 2006 Audi A6 should accelerate faster than 2009 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 523 weights approximately 15 kg more than 2006 Audi A6.
Because 2009 BMW 523 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 523. However, in wet, icy, snow, or gravel driving conditions, 2006 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 Audi A6 (330 Nm @ 3250 RPM) has 100 more torque (in Nm) than 2009 BMW 523. (230 Nm @ 3500 RPM). This means 2006 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 523.
Compare all specifications:
| 2006 Audi A6 | 2009 BMW 523 | |
| Make | Audi | BMW |
| Model | A6 | 523 |
| Year Released | 2006 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 3130 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 255 HP | 175 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 330 Nm | 230 Nm |
| Torque RPM | 3250 RPM | 3500 RPM |
| Engine Compression Ratio | 13.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1510 kg | 1525 kg |
| Vehicle Width | 2020 mm | 1470 mm |
| Vehicle Height | 1470 mm | 1850 mm |
| Wheelbase Size | 2850 mm | 2890 mm |
| Fuel Consumption Overall | 10.7 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
