2006 Audi A6 vs. 2005 BMW 525
To start off, 2006 Audi A6 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW 525. In addition, the cost of maintenance, including insurance, on 2005 BMW 525 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 94 more horse power than 2005 BMW 525. (161 HP @ 4000 RPM). In normal driving conditions, 2006 Audi A6 should accelerate faster than 2005 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A6 weights approximately 20 kg more than 2005 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW 525 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 2005 BMW 525. 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, 2005 BMW 525 (351 Nm @ 2000 RPM) has 21 more torque (in Nm) than 2006 Audi A6. (330 Nm @ 3250 RPM). This means 2005 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A6.
Compare all specifications:
| 2006 Audi A6 | 2005 BMW 525 | |
| Make | Audi | BMW |
| Model | A6 | 525 |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Sedan |
| 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 | 161 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 330 Nm | 351 Nm |
| Torque RPM | 3250 RPM | 2000 RPM |
| Engine Bore Size | 84.5 mm | 80 mm |
| Engine Stroke Size | 92.8 mm | 82.8 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1510 kg | 1490 kg |
| Vehicle Length | 4920 mm | 4850 mm |
| Vehicle Width | 2020 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2730 mm |
| Fuel Consumption Overall | 10.7 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
