2005 BMW 545 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 4 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 4,398 cc (8 cylinders), 2005 BMW 545 is equipped with a bigger engine. In terms of performance, 2005 BMW 545 (328 HP @ 6100 RPM) has 98 more horse power than 2009 Audi A4. (230 HP @ 4000 RPM). In normal driving conditions, 2005 BMW 545 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 164 kg more than 2005 BMW 545.
Because 2009 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, 2009 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, both vehicles can yield 450 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2009 Audi A4 has automatic transmission and 2005 BMW 545 has manual transmission. 2005 BMW 545 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW 545 | 2009 Audi A4 | |
| Make | BMW | Audi |
| Model | 545 | A4 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2967 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 230 HP |
| Engine RPM | 6100 RPM | 4000 RPM |
| Torque | 450 Nm | 450 Nm |
| Torque RPM | 3600 RPM | 1400 RPM |
| Engine Bore Size | 92 mm | 83 mm |
| Engine Stroke Size | 82.7 mm | 91.4 mm |
| Engine Compression Ratio | 10.0:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 242 km/hour |
| Acceleration 0-100mph | 5.8 seconds | 7.3 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1630 kg | 1794 kg |
| Vehicle Length | 4850 mm | 4580 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1480 mm | 1400 mm |
| Wheelbase Size | 2890 mm | 2660 mm |
| Fuel Consumption Overall | 11.4 L/100km | 8 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
