2006 BMW 650 vs. 2007 BMW X3
To start off, 2007 BMW X3 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 BMW 650. In addition, the cost of maintenance, including insurance, on 2006 BMW 650 would be higher. At 4,800 cc (8 cylinders), 2006 BMW 650 is equipped with a bigger engine. In terms of performance, 2006 BMW 650 (360 HP @ 6300 RPM) has 100 more horse power than 2007 BMW X3. (260 HP @ 6600 RPM). In normal driving conditions, 2006 BMW 650 should accelerate faster than 2007 BMW X3.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 650. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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, 2006 BMW 650 (488 Nm @ 3400 RPM) has 182 more torque (in Nm) than 2007 BMW X3. (306 Nm @ 2750 RPM). This means 2006 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2006 BMW 650 | 2007 BMW X3 | |
| Make | BMW | BMW |
| Model | 650 | X3 |
| Year Released | 2006 | 2007 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 4800 cc | 2979 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 360 HP | 260 HP |
| Engine RPM | 6300 RPM | 6600 RPM |
| Torque | 488 Nm | 306 Nm |
| Torque RPM | 3400 RPM | 2750 RPM |
| Engine Bore Size | 93 mm | 85 mm |
| Engine Stroke Size | 88.3 mm | 88 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4840 mm | 4580 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1380 mm | 1680 mm |
| Wheelbase Size | 2790 mm | 2800 mm |
| Fuel Consumption Highway | 10.7 L/100km | 9.1 L/100km |
| Fuel Consumption City | 16.8 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 67 L |
