2009 Audi A4 vs. 2005 BMW 730
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 730. In addition, the cost of maintenance, including insurance, on 2005 BMW 730 would be higher. At 2,982 cc (6 cylinders), 2005 BMW 730 is equipped with a bigger engine. In terms of performance, 2005 BMW 730 (225 HP @ 6250 RPM) has 57 more horse power than 2009 Audi A4. (168 HP @ 6000 RPM) In normal driving conditions, 2005 BMW 730 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 190 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 2005 BMW 730 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A4, being front wheel drive (FWD), will offer much better control with better grip. 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 730 (300 Nm @ 3500 RPM) has 70 more torque (in Nm) than 2009 Audi A4. (230 Nm @ 3200 RPM). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2005 BMW 730 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 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2005 BMW 730 | |
| Make | Audi | BMW |
| Model | A4 | 730 |
| Year Released | 2009 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 2982 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 168 HP | 225 HP |
| Engine RPM | 6000 RPM | 6250 RPM |
| Torque | 230 Nm | 300 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Engine Compression Ratio | 11.0:1 | 10.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1600 kg | 1790 kg |
| Vehicle Length | 4580 mm | 5040 mm |
| Vehicle Width | 1780 mm | 1910 mm |
| Vehicle Height | 1400 mm | 1500 mm |
| Wheelbase Size | 2660 mm | 3000 mm |
| Fuel Tank Capacity | 70 L | 63 L |
