2005 Audi A4 vs. 2006 BMW 730
To start off, 2006 BMW 730 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 2,994 cc (6 cylinders), 2006 BMW 730 is equipped with a bigger engine. In terms of performance, 2006 BMW 730 (254 HP @ 6600 RPM) has 34 more horse power than 2005 Audi A4. (220 HP @ 6300 RPM) In normal driving conditions, 2006 BMW 730 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 730 weights approximately 175 kg more than 2005 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 730. In wet, icy, snow, or gravel driving conditions, 2005 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 300 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.
Compare all specifications:
| 2005 Audi A4 | 2006 BMW 730 | |
| Make | Audi | BMW |
| Model | A4 | 730 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 2994 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 220 HP | 254 HP |
| Engine RPM | 6300 RPM | 6600 RPM |
| Torque | 300 Nm | 300 Nm |
| Torque RPM | 3200 RPM | 2500 RPM |
| Engine Compression Ratio | 10.1:1 | 10.7:1 |
| Top Speed | 238 km/hour | 244 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1645 kg | 1820 kg |
| Vehicle Length | 4550 mm | 5180 mm |
| Vehicle Width | 1770 mm | 1910 mm |
| Vehicle Height | 1430 mm | 1500 mm |
| Wheelbase Size | 2660 mm | 3140 mm |
| Fuel Consumption Overall | 11 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 66 L | 88 L |
