2009 BMW X6 vs. 2006 BMW 730
To start off, 2009 BMW X6 is newer by 3 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, 2009 BMW X6 (300 HP @ 5800 RPM) has 46 more horse power than 2006 BMW 730. (254 HP @ 6600 RPM). In normal driving conditions, 2009 BMW X6 should accelerate faster than 2006 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 210 kg more than 2006 BMW 730. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW X6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 730. In wet, icy, snow, or gravel driving conditions, 2009 BMW X6 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, 2009 BMW X6 (407 Nm @ 1400 RPM) has 107 more torque (in Nm) than 2006 BMW 730. (300 Nm @ 2500 RPM). This means 2009 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 730.
Compare all specifications:
| 2009 BMW X6 | 2006 BMW 730 | |
| Make | BMW | BMW |
| Model | X6 | 730 |
| Year Released | 2009 | 2006 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2977 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 254 HP |
| Engine RPM | 5800 RPM | 6600 RPM |
| Torque | 407 Nm | 300 Nm |
| Torque RPM | 1400 RPM | 2500 RPM |
| Engine Compression Ratio | 10.2:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 240 km/hour | 244 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 7.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2145 kg | 1935 kg |
| Vehicle Length | 4880 mm | 5040 mm |
| Vehicle Width | 1990 mm | 1910 mm |
| Vehicle Height | 1700 mm | 1500 mm |
| Wheelbase Size | 2940 mm | 3000 mm |
| Fuel Consumption Overall | 10.9 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 85 L | 88 L |
