2005 Audi A4 vs. 2008 BMW 730
To start off, 2008 BMW 730 is newer by 3 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 2,995 cc (6 cylinders), 2008 BMW 730 is equipped with a bigger engine. In terms of performance, 2008 BMW 730 (254 HP @ 6600 RPM) has 76 more horse power than 2005 Audi A4. (178 HP @ 4000 RPM) In normal driving conditions, 2008 BMW 730 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 730 weights approximately 230 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 2008 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, 2005 Audi A4 (370 Nm @ 1500 RPM) has 70 more torque (in Nm) than 2008 BMW 730. (300 Nm @ 2500 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 730.
Compare all specifications:
| 2005 Audi A4 | 2008 BMW 730 | |
| Make | Audi | BMW |
| Model | A4 | 730 |
| Year Released | 2005 | 2008 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2392 cc | 2995 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 254 HP |
| Engine RPM | 4000 RPM | 6600 RPM |
| Torque | 370 Nm | 300 Nm |
| Torque RPM | 1500 RPM | 2500 RPM |
| Engine Compression Ratio | 19.0:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 223 km/hour | 244 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 7.9 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1590 kg | 1820 kg |
| Vehicle Length | 4550 mm | 5180 mm |
| Vehicle Width | 1780 mm | 1910 mm |
| Vehicle Height | 1430 mm | 1500 mm |
| Wheelbase Size | 2770 mm | 3140 mm |
| Fuel Consumption Overall | 7.6 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 66 L | 88 L |
