2005 Audi A4 vs. 2005 BMW 545
To start off, both 2005 Audi A4 and 2005 BMW 545 were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,398 cc (8 cylinders), 2005 BMW 545 is equipped with a bigger engine. In terms of performance, 2005 BMW 545 (328 HP @ 6100 RPM) has 108 more horse power than 2005 Audi A4. (220 HP @ 6500 RPM) In normal driving conditions, 2005 BMW 545 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 190 kg more than 2005 BMW 545.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 545. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 BMW 545 (450 Nm) has 150 more torque (in Nm) than 2005 Audi A4. (300 Nm). This means 2005 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2005 BMW 545 | |
| Make | Audi | BMW |
| Model | A4 | 545 |
| Year Released | 2005 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 220 HP | 328 HP |
| Engine RPM | 6500 RPM | 6100 RPM |
| Torque | 300 Nm | 450 Nm |
| Engine Bore Size | 83 mm | 92 mm |
| Engine Stroke Size | 93 mm | 82.7 mm |
| Engine Compression Ratio | 10.1:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1820 kg | 1630 kg |
| Vehicle Length | 4580 mm | 4850 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1400 mm | 1480 mm |
| Wheelbase Size | 2580 mm | 2890 mm |
| Fuel Consumption Highway | 9.4 L/100km | 9.2 L/100km |
| Fuel Consumption City | 13.1 L/100km | 13.2 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 66 L | 70 L |
