2005 BMW 325 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 BMW 325. In addition, the cost of maintenance, including insurance, on 2005 BMW 325 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 64 more horse power than 2005 BMW 325. (190 HP @ 7400 RPM) In normal driving conditions, 2006 BMW 730 should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 730 weights approximately 190 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.
Let's talk about torque, 2006 BMW 730 (300 Nm) has 63 more torque (in Nm) than 2005 BMW 325. (237 Nm). This means 2006 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 | 2006 BMW 730 | |
| Make | BMW | BMW |
| Model | 325 | 730 |
| Year Released | 2005 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2491 cc | 2994 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 190 HP | 254 HP |
| Engine RPM | 7400 RPM | 6600 RPM |
| Torque | 237 Nm | 300 Nm |
| Engine Compression Ratio | 10.5:1 | 10.7:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1630 kg | 1820 kg |
| Vehicle Length | 4480 mm | 5180 mm |
| Vehicle Width | 1750 mm | 1910 mm |
| Vehicle Height | 1440 mm | 1500 mm |
| Wheelbase Size | 2830 mm | 3140 mm |
| Fuel Consumption Overall | 10.7 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 63 L | 88 L |
