2006 Audi A4 vs. 2005 BMW 545
To start off, 2006 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW 545. In addition, the cost of maintenance, including insurance, on 2005 BMW 545 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 109 more horse power than 2006 Audi A4. (217 HP @ 6300 RPM) In normal driving conditions, 2005 BMW 545 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 545 weights approximately 75 kg more than 2006 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, 2006 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 149 more torque (in Nm) than 2006 Audi A4. (301 Nm @ 3200 RPM). This means 2005 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4. 2005 BMW 545 has automatic transmission and 2006 Audi A4 has manual transmission. 2006 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 545 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi A4 | 2005 BMW 545 | |
| Make | Audi | BMW |
| Model | A4 | 545 |
| Year Released | 2006 | 2005 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 4390 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 326 HP |
| Engine RPM | 6300 RPM | 6100 RPM |
| Torque | 301 Nm | 450 Nm |
| Torque RPM | 3200 RPM | 3600 RPM |
| Engine Bore Size | 82.5 mm | 92 mm |
| Engine Stroke Size | 92.8 mm | 82.7 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 243 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 5.9 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1590 kg | 1665 kg |
| Vehicle Length | 4580 mm | 4850 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1400 mm | 1500 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Consumption Overall | 9.9 L/100km | 11.3 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
