2009 Audi A6 vs. 2006 BMW 525
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 525. In addition, the cost of maintenance, including insurance, on 2006 BMW 525 would be higher. At 4,163 cc (8 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (350 HP @ 6800 RPM) has 135 more horse power than 2006 BMW 525. (215 HP @ 6250 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2006 BMW 525.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 525. In wet, icy, snow, or gravel driving conditions, 2009 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 Audi A6 (441 Nm @ 3500 RPM) has 190 more torque (in Nm) than 2006 BMW 525. (251 Nm @ 2750 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 525.
Compare all specifications:
| 2009 Audi A6 | 2006 BMW 525 | |
| Make | Audi | BMW |
| Model | A6 | 525 |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2999 cc |
| Horse Power | 350 HP | 215 HP |
| Engine RPM | 6800 RPM | 6250 RPM |
| Torque | 441 Nm | 251 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4930 mm | 4860 mm |
| Vehicle Width | 2040 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2890 mm |
| Fuel Consumption Highway | 10.4 L/100km | 7.8 L/100km |
| Fuel Consumption City | 14.9 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 13.2 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
