2006 BMW 320 vs. 2005 BMW 630
To start off, 2006 BMW 320 is newer by 1 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 2,993 cc (6 cylinders), 2005 BMW 630 is equipped with a bigger engine. In terms of performance, 2005 BMW 630 (254 HP @ 6600 RPM) has 106 more horse power than 2006 BMW 320. (148 HP @ 4000 RPM) In normal driving conditions, 2005 BMW 630 should accelerate faster than 2006 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 320 weights approximately 15 kg more than 2005 BMW 630.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 320 (330 Nm @ 2000 RPM) has 40 more torque (in Nm) than 2005 BMW 630. (290 Nm @ 2500 RPM). This means 2006 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 630.
Compare all specifications:
| 2006 BMW 320 | 2005 BMW 630 | |
| Make | BMW | BMW |
| Model | 320 | 630 |
| Year Released | 2006 | 2005 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 254 HP |
| Engine RPM | 4000 RPM | 6600 RPM |
| Torque | 330 Nm | 290 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Engine Compression Ratio | 17.0:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 216 km/hour | 245 km/hour |
| Acceleration 0-100mph | 9.2 seconds | 6.5 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1580 kg | 1565 kg |
| Vehicle Length | 4480 mm | 4830 mm |
| Vehicle Width | 1750 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2730 mm | 2730 mm |
| Fuel Consumption Overall | 6 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
