2008 BMW 525 vs. 2006 BMW 730
To start off, 2008 BMW 525 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW 730. In addition, the cost of maintenance, including insurance, on 2006 BMW 730 would be higher. At 2,996 cc (6 cylinders), 2006 BMW 730 is equipped with a bigger engine. In terms of performance, 2006 BMW 730 (254 HP @ 6600 RPM) has 39 more horse power than 2008 BMW 525. (215 HP @ 6500 RPM) In normal driving conditions, 2006 BMW 730 should accelerate faster than 2008 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 730 weights approximately 255 kg more than 2008 BMW 525. 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, 2006 BMW 730 (300 Nm @ 2500 RPM) has 50 more torque (in Nm) than 2008 BMW 525. (250 Nm @ 2750 RPM). This means 2006 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 525. 2006 BMW 730 has automatic transmission and 2008 BMW 525 has manual transmission. 2008 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW 525 | 2006 BMW 730 | |
| Make | BMW | BMW |
| Model | 525 | 730 |
| Year Released | 2008 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 254 HP |
| Engine RPM | 6500 RPM | 6600 RPM |
| Torque | 250 Nm | 300 Nm |
| Torque RPM | 2750 RPM | 2500 RPM |
| Engine Compression Ratio | 11.0:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 240 km/hour | 244 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 7.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1680 kg | 1935 kg |
| Vehicle Length | 4850 mm | 5040 mm |
| Vehicle Width | 1850 mm | 1910 mm |
| Vehicle Height | 1500 mm | 1500 mm |
| Wheelbase Size | 2840 mm | 3000 mm |
| Fuel Consumption Overall | 8.9 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 70 L | 88 L |
