2009 BMW X6 vs. 2005 BMW 630
To start off, 2009 BMW X6 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW 630. In addition, the cost of maintenance, including insurance, on 2005 BMW 630 would be higher. At 2,999 cc (6 cylinders), 2005 BMW 630 is equipped with a bigger engine. In terms of performance, 2009 BMW X6 (282 HP @ 4400 RPM) has 28 more horse power than 2005 BMW 630. (254 HP @ 6600 RPM). In normal driving conditions, 2009 BMW X6 should accelerate faster than 2005 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 421 kg more than 2005 BMW 630. 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 2005 BMW 630. 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 (580 Nm @ 1750 RPM) has 280 more torque (in Nm) than 2005 BMW 630. (300 Nm @ 2500 RPM). This means 2009 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 630. 2009 BMW X6 has automatic transmission and 2005 BMW 630 has manual transmission. 2005 BMW 630 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW X6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW X6 | 2005 BMW 630 | |
| Make | BMW | BMW |
| Model | X6 | 630 |
| Year Released | 2009 | 2005 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2999 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 254 HP |
| Engine RPM | 4400 RPM | 6600 RPM |
| Torque | 580 Nm | 300 Nm |
| Torque RPM | 1750 RPM | 2500 RPM |
| Engine Bore Size | 84 mm | 85 mm |
| Engine Stroke Size | 90 mm | 88 mm |
| Engine Compression Ratio | 17.0:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 236 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 6.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2185 kg | 1764 kg |
| Vehicle Length | 4880 mm | 4830 mm |
| Vehicle Width | 1990 mm | 1860 mm |
| Vehicle Height | 1700 mm | 1380 mm |
| Wheelbase Size | 2940 mm | 2670 mm |
| Fuel Consumption Overall | 8.3 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 85 L | 70 L |
