2006 BMW 630 vs. 2008 BMW 318
To start off, 2008 BMW 318 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW 630. In addition, the cost of maintenance, including insurance, on 2006 BMW 630 would be higher. At 2,996 cc (6 cylinders), 2006 BMW 630 is equipped with a bigger engine. In terms of performance, 2006 BMW 630 (254 HP @ 6600 RPM) has 106 more horse power than 2008 BMW 318. (148 HP @ 6200 RPM). In normal driving conditions, 2006 BMW 630 should accelerate faster than 2008 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 630 weights approximately 180 kg more than 2008 BMW 318. 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, 2006 BMW 630 (300 Nm @ 2500 RPM) has 100 more torque (in Nm) than 2008 BMW 318. (200 Nm @ 3600 RPM). This means 2006 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 318.
Compare all specifications:
| 2006 BMW 630 | 2008 BMW 318 | |
| Make | BMW | BMW |
| Model | 630 | 318 |
| Year Released | 2006 | 2008 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 148 HP |
| Engine RPM | 6600 RPM | 6200 RPM |
| Torque | 300 Nm | 200 Nm |
| Torque RPM | 2500 RPM | 3600 RPM |
| Engine Bore Size | 85 mm | 84 mm |
| Engine Stroke Size | 88 mm | 90 mm |
| Engine Compression Ratio | 10.7:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 207 km/hour |
| Acceleration 0-100mph | 7.2 seconds | 10.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1760 kg | 1580 kg |
| Vehicle Length | 4830 mm | 4490 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1380 mm | 1380 mm |
| Wheelbase Size | 2790 mm | 2730 mm |
| Fuel Consumption Overall | 9.6 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
