2004 BMW X3 vs. 2006 BMW 650
To start off, 2006 BMW 650 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 BMW X3. In addition, the cost of maintenance, including insurance, on 2004 BMW X3 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 176 more horse power than 2004 BMW X3. (184 HP @ 7400 RPM) In normal driving conditions, 2006 BMW 650 should accelerate faster than 2004 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW X3 weights approximately 88 kg more than 2006 BMW 650.
Because 2004 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, 2004 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) has 251 more torque (in Nm) than 2004 BMW X3. (237 Nm). This means 2006 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW X3.
Compare all specifications:
| 2004 BMW X3 | 2006 BMW 650 | |
| Make | BMW | BMW |
| Model | X3 | 650 |
| Year Released | 2004 | 2006 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2491 cc | 4800 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 184 HP | 360 HP |
| Engine RPM | 7400 RPM | 6300 RPM |
| Torque | 237 Nm | 488 Nm |
| Engine Bore Size | 84 mm | 93 mm |
| Engine Stroke Size | 75 mm | 88.3 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1818 kg | 1730 kg |
| Vehicle Length | 4570 mm | 4840 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1680 mm | 1380 mm |
| Wheelbase Size | 2890 mm | 2790 mm |
| Fuel Consumption | 9.8 L/100km | 10.7 L/100km |
| Fuel Consumption City | 13.8 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 67 L | 70 L |
