2006 Audi RS4 vs. 2007 BMW 525
To start off, 2007 BMW 525 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Audi RS4. In addition, the cost of maintenance, including insurance, on 2006 Audi RS4 would be higher. At 4,163 cc (8 cylinders), 2006 Audi RS4 is equipped with a bigger engine. In terms of performance, 2006 Audi RS4 (414 HP @ 7800 RPM) has 199 more horse power than 2007 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 2006 Audi RS4 should accelerate faster than 2007 BMW 525.
Because 2006 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 525. In wet, icy, snow, or gravel driving conditions, 2006 Audi RS4 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, 2006 Audi RS4 (430 Nm @ 5500 RPM) has 180 more torque (in Nm) than 2007 BMW 525. (250 Nm @ 2750 RPM). This means 2006 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 525.
Compare all specifications:
| 2006 Audi RS4 | 2007 BMW 525 | |
| Make | Audi | BMW |
| Model | RS4 | 525 |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 414 HP | 215 HP |
| Engine RPM | 7800 RPM | 6500 RPM |
| Torque | 430 Nm | 250 Nm |
| Torque RPM | 5500 RPM | 2750 RPM |
| Engine Bore Size | 84.5 mm | 78.8 mm |
| Engine Stroke Size | 92.8 mm | 82 mm |
| Engine Compression Ratio | 12.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 245 km/hour |
| Acceleration 0-100mph | 4.8 seconds | 7.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4600 mm | 4850 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2650 mm | 2890 mm |
| Fuel Consumption Overall | 13.4 L/100km | 8.7 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
