2005 BMW 318 vs. 2006 BMW 630
To start off, 2006 BMW 630 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW 318. In addition, the cost of maintenance, including insurance, on 2005 BMW 318 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 141 more horse power than 2005 BMW 318. (113 HP @ 5500 RPM) In normal driving conditions, 2006 BMW 630 should accelerate faster than 2005 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 630 weights approximately 460 kg more than 2005 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 133 more torque (in Nm) than 2005 BMW 318. (167 Nm @ 3750 RPM). This means 2006 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 318. 2006 BMW 630 has automatic transmission and 2005 BMW 318 has manual transmission. 2005 BMW 318 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 630 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW 318 | 2006 BMW 630 | |
| Make | BMW | BMW |
| Model | 318 | 630 |
| Year Released | 2005 | 2006 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 113 HP | 254 HP |
| Engine RPM | 5500 RPM | 6600 RPM |
| Torque | 167 Nm | 300 Nm |
| Torque RPM | 3750 RPM | 2500 RPM |
| Engine Bore Size | 84.1 mm | 85 mm |
| Engine Stroke Size | 81 mm | 88 mm |
| Engine Compression Ratio | 11.0:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1300 kg | 1760 kg |
| Vehicle Length | 4270 mm | 4830 mm |
| Vehicle Width | 1760 mm | 1860 mm |
| Vehicle Height | 1410 mm | 1380 mm |
| Wheelbase Size | 2740 mm | 2790 mm |
| Fuel Tank Capacity | 67 L | 70 L |
