2005 BMW X3 vs. 2008 BMW 630
To start off, 2008 BMW 630 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW X3. In addition, the cost of maintenance, including insurance, on 2005 BMW X3 would be higher. At 2,994 cc (6 cylinders), 2008 BMW 630 is equipped with a bigger engine. In terms of performance, 2008 BMW 630 (254 HP @ 6600 RPM) has 70 more horse power than 2005 BMW X3. (184 HP @ 6000 RPM) In normal driving conditions, 2008 BMW 630 should accelerate faster than 2005 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X3 weights approximately 250 kg more than 2008 BMW 630.
Because 2005 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 630. In wet, icy, snow, or gravel driving conditions, 2005 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, 2008 BMW 630 (300 Nm @ 2500 RPM) has 63 more torque (in Nm) than 2005 BMW X3. (237 Nm @ 3500 RPM). This means 2008 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW X3.
Compare all specifications:
| 2005 BMW X3 | 2008 BMW 630 | |
| Make | BMW | BMW |
| Model | X3 | 630 |
| Year Released | 2005 | 2008 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2491 cc | 2994 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 184 HP | 254 HP |
| Engine RPM | 6000 RPM | 6600 RPM |
| Torque | 237 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Compression Ratio | 10.5:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1815 kg | 1565 kg |
| Vehicle Length | 4570 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1680 mm | 1380 mm |
| Wheelbase Size | 2710 mm | 2790 mm |
| Fuel Consumption Overall | 11.8 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 67 L | 70 L |
