2001 Audi A4 vs. 2005 BMW 545
To start off, 2005 BMW 545 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Audi A4. In addition, the cost of maintenance, including insurance, on 2001 Audi A4 would be higher. At 4,390 cc (8 cylinders), 2005 BMW 545 is equipped with a bigger engine. In terms of performance, 2005 BMW 545 (326 HP @ 6100 RPM) has 79 more horse power than 2001 Audi A4. (247 HP @ 4000 RPM) In normal driving conditions, 2005 BMW 545 should accelerate faster than 2001 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 545 weights approximately 15 kg more than 2001 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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 2005 BMW 545. However, in wet, icy, snow, or gravel driving conditions, 2001 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, 2005 BMW 545 (450 Nm @ 3600 RPM) has 120 more torque (in Nm) than 2001 Audi A4. (330 Nm @ 1400 RPM). This means 2005 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2001 Audi A4.
Compare all specifications:
| 2001 Audi A4 | 2005 BMW 545 | |
| Make | Audi | BMW |
| Model | A4 | 545 |
| Year Released | 2001 | 2005 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 4390 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 247 HP | 326 HP |
| Engine RPM | 4000 RPM | 6100 RPM |
| Torque | 330 Nm | 450 Nm |
| Torque RPM | 1400 RPM | 3600 RPM |
| Engine Compression Ratio | 18.5:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 207 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 5.9 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1650 kg | 1665 kg |
| Vehicle Length | 4550 mm | 4850 mm |
| Vehicle Width | 1770 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1500 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Tank Capacity | 70 L | 70 L |
