2009 BMW X6 vs. 2008 BMW 650
To start off, 2009 BMW X6 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW 650. In addition, the cost of maintenance, including insurance, on 2008 BMW 650 would be higher. At 4,799 cc (8 cylinders), 2008 BMW 650 is equipped with a bigger engine. In terms of performance, 2009 BMW X6 (401 HP @ 5500 RPM) has 41 more horse power than 2008 BMW 650. (360 HP @ 6300 RPM). In normal driving conditions, 2009 BMW X6 should accelerate faster than 2008 BMW 650. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 625 kg more than 2008 BMW 650. 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 2008 BMW 650. 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 (610 Nm @ 1750 RPM) has 120 more torque (in Nm) than 2008 BMW 650. (490 Nm @ 3400 RPM). This means 2009 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 650.
Compare all specifications:
| 2009 BMW X6 | 2008 BMW 650 | |
| Make | BMW | BMW |
| Model | X6 | 650 |
| Year Released | 2009 | 2008 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4395 cc | 4799 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 401 HP | 360 HP |
| Engine RPM | 5500 RPM | 6300 RPM |
| Torque | 610 Nm | 490 Nm |
| Torque RPM | 1750 RPM | 3400 RPM |
| Engine Bore Size | 89 mm | 92.1 mm |
| Engine Stroke Size | 88.3 mm | 82.7 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 5.4 seconds | 5.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2265 kg | 1640 kg |
| Vehicle Length | 4880 mm | 4830 mm |
| Vehicle Width | 1990 mm | 1380 mm |
| Vehicle Height | 1700 mm | 1860 mm |
| Wheelbase Size | 2940 mm | 2790 mm |
| Fuel Consumption Highway | 13.1 L/100km | 10.2 L/100km |
| Fuel Consumption City | 19.6 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 12.5 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 85 L | 70 L |
