2004 Audi A4 vs. 2001 BMW 520
To start off, 2004 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2001 BMW 520. In addition, the cost of maintenance, including insurance, on 2001 BMW 520 would be higher. At 2,974 cc (6 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (220 HP @ 4000 RPM) has 53 more horse power than 2001 BMW 520. (167 HP @ 6500 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 2001 BMW 520.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2001 BMW 520. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi A4 (300 Nm) has 90 more torque (in Nm) than 2001 BMW 520. (210 Nm). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2001 BMW 520.
Compare all specifications:
| 2004 Audi A4 | 2001 BMW 520 | |
| Make | Audi | BMW |
| Model | A4 | 520 |
| Year Released | 2004 | 2001 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2974 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 220 HP | 167 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 300 Nm | 210 Nm |
| Engine Bore Size | 83 mm | 80 mm |
| Engine Stroke Size | 93 mm | 72 mm |
| Engine Compression Ratio | 10.1:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1670 kg | 1670 kg |
| Vehicle Length | 4550 mm | 4810 mm |
| Vehicle Width | 1770 mm | 1810 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Tank Capacity | 66 L | 70 L |
