2009 BMW 545 vs. 2011 Audi A4
To start off, 2011 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 BMW 545. In addition, the cost of maintenance, including insurance, on 2009 BMW 545 would be higher. At 4,398 cc (8 cylinders), 2009 BMW 545 is equipped with a bigger engine. In terms of performance, 2009 BMW 545 (328 HP @ 6100 RPM) has 117 more horse power than 2011 Audi A4. (211 HP @ 4300 RPM). In normal driving conditions, 2009 BMW 545 should accelerate faster than 2011 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 545 weights approximately 330 kg more than 2011 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Audi A4 is all wheel drive (AWD), it will have significant more traction and grip than 2009 BMW 545. In wet, icy, snow, or gravel driving conditions, 2011 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, 2009 BMW 545 (450 Nm @ 3600 RPM) has 101 more torque (in Nm) than 2011 Audi A4. (349 Nm @ 1500 RPM). This means 2009 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2011 Audi A4.
Compare all specifications:
| 2009 BMW 545 | 2011 Audi A4 | |
| Make | BMW | Audi |
| Model | 545 | A4 |
| Year Released | 2009 | 2011 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2000 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 211 HP |
| Engine RPM | 6100 RPM | 4300 RPM |
| Torque | 450 Nm | 349 Nm |
| Torque RPM | 3600 RPM | 1500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1975 kg | 1645 kg |
| Vehicle Length | 4850 mm | 4704 mm |
| Vehicle Width | 1850 mm | 1829 mm |
| Vehicle Height | 1500 mm | 1427 mm |
| Wheelbase Size | 2840 mm | 2809 mm |
| Fuel Tank Capacity | 70 L | 65 L |
