2008 Audi A4 vs. 2005 BMW 730
To start off, 2008 Audi A4 is newer by 3 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. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 200 kg more than 2008 Audi A4.
Because 2008 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 730. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi A4 (371 Nm @ 1500 RPM) has 71 more torque (in Nm) than 2005 BMW 730. (300 Nm @ 3500 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 730.
Compare all specifications:
| 2008 Audi A4 | 2005 BMW 730 | |
| Make | Audi | BMW |
| Model | A4 | 730 |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2982 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 0 HP | 225 HP |
| Torque | 371 Nm | 300 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Engine Bore Size | 78.3 mm | 84 mm |
| Engine Stroke Size | 86.4 mm | 90 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1590 kg | 1790 kg |
| Vehicle Length | 4180 mm | 5040 mm |
| Vehicle Height | 1370 mm | 1500 mm |
| Wheelbase Size | 2660 mm | 3000 mm |
| Fuel Tank Capacity | 66 L | 63 L |
