2006 Audi A4 vs. 2009 BMW 520
To start off, 2009 BMW 520 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 1,995 cc (4 cylinders), 2009 BMW 520 is equipped with a bigger engine. In terms of performance, 2009 BMW 520 (175 HP @ 4000 RPM) has 46 more horse power than 2006 Audi A4. (129 HP @ 5700 RPM) In normal driving conditions, 2009 BMW 520 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 520 weights approximately 220 kg more than 2006 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW 520 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 520. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi A4, 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, 2009 BMW 520 (350 Nm @ 1750 RPM) has 155 more torque (in Nm) than 2006 Audi A4. (195 Nm @ 3300 RPM). This means 2009 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 2009 BMW 520 | |
| Make | Audi | BMW |
| Model | A4 | 520 |
| Year Released | 2006 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 129 HP | 175 HP |
| Engine RPM | 5700 RPM | 4000 RPM |
| Torque | 195 Nm | 350 Nm |
| Torque RPM | 3300 RPM | 1750 RPM |
| Engine Compression Ratio | 10.3:1 | 16.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 208 km/hour | 218 km/hour |
| Acceleration 0-100mph | 10.1 seconds | 8.3 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1365 kg | 1585 kg |
| Vehicle Length | 4550 mm | 4850 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2890 mm |
| Fuel Consumption Overall | 8 L/100km | 5.1 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
