2004 Audi A4 vs. 2003 BMW 545
To start off, 2004 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 BMW 545. In addition, the cost of maintenance, including insurance, on 2003 BMW 545 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 545 is equipped with a bigger engine. In terms of performance, 2003 BMW 545 (328 HP @ 6100 RPM) has 160 more horse power than 2004 Audi A4. (168 HP @ 6000 RPM) In normal driving conditions, 2003 BMW 545 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 545 weights approximately 265 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW 545 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 2003 BMW 545. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2003 BMW 545 (450 Nm @ 3600 RPM) has 220 more torque (in Nm) than 2004 Audi A4. (230 Nm @ 3200 RPM). This means 2003 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2003 BMW 545 | |
| Make | Audi | BMW |
| Model | A4 | 545 |
| Year Released | 2004 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 168 HP | 328 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 230 Nm | 450 Nm |
| Torque RPM | 3200 RPM | 3600 RPM |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Top Speed | 226 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 6.1 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1440 kg | 1705 kg |
| Vehicle Length | 4550 mm | 4850 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2840 mm |
| Fuel Consumption Overall | 9.8 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
