2009 Audi A4 vs. 2005 BMW 745
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 745. In addition, the cost of maintenance, including insurance, on 2005 BMW 745 would be higher. At 4,398 cc (8 cylinders), 2005 BMW 745 is equipped with a bigger engine. In terms of performance, 2005 BMW 745 (325 HP @ 6000 RPM) has 114 more horse power than 2009 Audi A4. (211 HP @ 4300 RPM) In normal driving conditions, 2005 BMW 745 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 745 weights approximately 980 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 745. 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, 2005 BMW 745 (450 Nm @ 3600 RPM) has 100 more torque (in Nm) than 2009 Audi A4. (350 Nm @ 1500 RPM). This means 2005 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2005 BMW 745 has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 745 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2005 BMW 745 | |
| Make | Audi | BMW |
| Model | A4 | 745 |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 211 HP | 325 HP |
| Engine RPM | 4300 RPM | 6000 RPM |
| Torque | 350 Nm | 450 Nm |
| Torque RPM | 1500 RPM | 3600 RPM |
| Engine Bore Size | 82.5 mm | 92.1 mm |
| Engine Stroke Size | 92.8 mm | 82.7 mm |
| Engine Compression Ratio | 9.6:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1030 kg | 2010 kg |
| Wheelbase Size | 2820 mm | 3000 mm |
| Fuel Consumption Overall | 8.3 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 55 L | 88 L |
