2008 Audi A4 vs. 2004 BMW 525
To start off, 2008 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 BMW 525. In addition, the cost of maintenance, including insurance, on 2004 BMW 525 would be higher. At 3,123 cc (6 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (255 HP @ 6500 RPM) has 66 more horse power than 2004 BMW 525. (189 HP @ 4000 RPM). In normal driving conditions, 2008 Audi A4 should accelerate faster than 2004 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 525 weights approximately 604 kg more than 2008 Audi A4.
Because 2008 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 525. In wet, icy, snow, or gravel driving conditions, 2008 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 BMW 525 (400 Nm @ 2000 RPM) has 70 more torque (in Nm) than 2008 Audi A4. (330 Nm @ 3250 RPM). This means 2004 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4. 2004 BMW 525 has automatic transmission and 2008 Audi A4 has manual transmission. 2008 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A4 | 2004 BMW 525 | |
| Make | Audi | BMW |
| Model | A4 | 525 |
| Year Released | 2008 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 189 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 330 Nm | 400 Nm |
| Torque RPM | 3250 RPM | 2000 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 75.1 mm |
| Engine Compression Ratio | 12.5:1 | 17.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1160 kg | 1764 kg |
| Vehicle Length | 4590 mm | 4850 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1500 mm |
| Wheelbase Size | 2660 mm | 2890 mm |
| Fuel Consumption Highway | 9.4 L/100km | 6.5 L/100km |
| Fuel Consumption City | 15.7 L/100km | 10.9 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 8 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
