2005 BMW 325 vs. 2007 BMW 730
To start off, 2007 BMW 730 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 325. In addition, the cost of maintenance, including insurance, on 2005 BMW 325 would be higher. At 2,996 cc (6 cylinders), 2007 BMW 730 is equipped with a bigger engine. In terms of performance, 2007 BMW 730 (255 HP @ 6600 RPM) has 66 more horse power than 2005 BMW 325. (189 HP @ 6000 RPM) In normal driving conditions, 2007 BMW 730 should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 730 weights approximately 356 kg more than 2005 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2007 BMW 730 (300 Nm @ 2500 RPM) has 55 more torque (in Nm) than 2005 BMW 325. (245 Nm @ 3500 RPM). This means 2007 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2005 BMW 325 | 2007 BMW 730 | |
| Make | BMW | BMW |
| Model | 325 | 730 |
| Year Released | 2005 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 255 HP |
| Engine RPM | 6000 RPM | 6600 RPM |
| Torque | 245 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Compression Ratio | 10.5:1 | 10.7:1 |
| Top Speed | 235 km/hour | 244 km/hour |
| Acceleration 0-100mph | 7.1 seconds | 7.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1464 kg | 1820 kg |
| Vehicle Length | 4270 mm | 5180 mm |
| Vehicle Width | 1760 mm | 1910 mm |
| Vehicle Height | 1410 mm | 1500 mm |
| Wheelbase Size | 2740 mm | 3140 mm |
| Fuel Consumption Overall | 9 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 63 L | 88 L |
