2009 BMW 630 vs. 2007 BMW 320
To start off, 2009 BMW 630 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 320. In addition, the cost of maintenance, including insurance, on 2007 BMW 320 would be higher. At 2,996 cc (6 cylinders), 2009 BMW 630 is equipped with a bigger engine. In terms of performance, 2009 BMW 630 (268 HP @ 6700 RPM) has 120 more horse power than 2007 BMW 320. (148 HP @ 6200 RPM). In normal driving conditions, 2009 BMW 630 should accelerate faster than 2007 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 630 weights approximately 178 kg more than 2007 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2009 BMW 630 (320 Nm @ 2750 RPM) has 119 more torque (in Nm) than 2007 BMW 320. (201 Nm @ 3600 RPM). This means 2009 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 320.
Compare all specifications:
| 2009 BMW 630 | 2007 BMW 320 | |
| Make | BMW | BMW |
| Model | 630 | 320 |
| Year Released | 2009 | 2007 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 268 HP | 148 HP |
| Engine RPM | 6700 RPM | 6200 RPM |
| Torque | 320 Nm | 201 Nm |
| Torque RPM | 2750 RPM | 3600 RPM |
| Engine Bore Size | 85 mm | 84 mm |
| Engine Stroke Size | 88 mm | 90 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 218 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 9.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1608 kg | 1430 kg |
| Vehicle Length | 4830 mm | 4530 mm |
| Vehicle Width | 1860 mm | 1420 mm |
| Vehicle Height | 1380 mm | 1820 mm |
| Wheelbase Size | 2790 mm | 2770 mm |
| Fuel Consumption Overall | 7.9 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
