2005 Audi A4 vs. 2002 BMW 520
To start off, 2005 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2002 BMW 520. In addition, the cost of maintenance, including insurance, on 2002 BMW 520 would be higher. At 2,170 cc (6 cylinders), 2002 BMW 520 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (187 HP @ 5700 RPM) has 19 more horse power than 2002 BMW 520. (168 HP @ 5900 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2002 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2002 BMW 520 weights approximately 140 kg more than 2005 Audi A4.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2002 BMW 520. In wet, icy, snow, or gravel driving conditions, 2005 Audi A4 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, 2005 Audi A4 (240 Nm @ 1950 RPM) has 30 more torque (in Nm) than 2002 BMW 520. (210 Nm @ 3500 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2002 BMW 520.
Compare all specifications:
| 2005 Audi A4 | 2002 BMW 520 | |
| Make | Audi | BMW |
| Model | A4 | 520 |
| Year Released | 2005 | 2002 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2170 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 187 HP | 168 HP |
| Engine RPM | 5700 RPM | 5900 RPM |
| Torque | 240 Nm | 210 Nm |
| Torque RPM | 1950 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 80 mm |
| Engine Stroke Size | 86.4 mm | 72 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1530 kg | 1670 kg |
| Vehicle Length | 4550 mm | 4810 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Tank Capacity | 66 L | 70 L |
