2004 Audi A4 vs. 2009 BMW 523
To start off, 2009 BMW 523 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 2,497 cc (6 cylinders), 2009 BMW 523 is equipped with a bigger engine. In terms of performance, 2009 BMW 523 (175 HP @ 5800 RPM) has 14 more horse power than 2004 Audi A4. (161 HP @ 5700 RPM) In normal driving conditions, 2009 BMW 523 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 5 kg more than 2009 BMW 523.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 523. 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, both vehicles can yield 230 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2004 Audi A4 | 2009 BMW 523 | |
| Make | Audi | BMW |
| Model | A4 | 523 |
| Year Released | 2004 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 175 HP |
| Engine RPM | 5700 RPM | 5800 RPM |
| Torque | 230 Nm | 230 Nm |
| Torque RPM | 1950 RPM | 3500 RPM |
| Engine Compression Ratio | 9.3:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 8.9 seconds | 8.5 seconds |
| 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 | 1525 kg |
| Vehicle Width | 1780 mm | 1470 mm |
| Vehicle Height | 1430 mm | 1850 mm |
| Wheelbase Size | 2580 mm | 2890 mm |
| Fuel Consumption Overall | 9.4 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
