2008 Audi A3 vs. 2005 BMW 545
To start off, 2008 Audi A3 is newer by 3 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 76 more horse power than 2008 Audi A3. (250 HP @ 6300 RPM) In normal driving conditions, 2005 BMW 545 should accelerate faster than 2008 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 545 weights approximately 210 kg more than 2008 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A3 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, 2008 Audi A3 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 @ 3600 RPM) has 130 more torque (in Nm) than 2008 Audi A3. (320 Nm @ 3200 RPM). This means 2005 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A3.
Compare all specifications:
| 2008 Audi A3 | 2005 BMW 545 | |
| Make | Audi | BMW |
| Model | A3 | 545 |
| Year Released | 2008 | 2005 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3196 cc | 4390 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 250 HP | 326 HP |
| Engine RPM | 6300 RPM | 6100 RPM |
| Torque | 320 Nm | 450 Nm |
| Torque RPM | 3200 RPM | 3600 RPM |
| Engine Bore Size | 84.1 mm | 92 mm |
| Engine Stroke Size | 95.9 mm | 82.7 mm |
| Engine Compression Ratio | 11.3:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1455 kg | 1665 kg |
| Vehicle Length | 4290 mm | 4850 mm |
| Vehicle Width | 1970 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1500 mm |
| Wheelbase Size | 2580 mm | 2840 mm |
| Fuel Consumption Overall | 11.2 L/100km | 11.3 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
