2007 BMW M vs. 2005 BMW 630
To start off, 2007 BMW M is newer by 2 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 3,245 cc (6 cylinders), 2007 BMW M is equipped with a bigger engine. In terms of performance, 2007 BMW M (330 HP @ 7900 RPM) has 76 more horse power than 2005 BMW 630. (254 HP @ 6600 RPM). In normal driving conditions, 2007 BMW M should accelerate faster than 2005 BMW 630. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 630 weights approximately 279 kg more than 2007 BMW M.
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, 2007 BMW M (355 Nm @ 4900 RPM) has 55 more torque (in Nm) than 2005 BMW 630. (300 Nm @ 2500 RPM). This means 2007 BMW M will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 630. 2005 BMW 630 has automatic transmission and 2007 BMW M has manual transmission. 2007 BMW M will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 630 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW M | 2005 BMW 630 | |
| Make | BMW | BMW |
| Model | M | 630 |
| Year Released | 2007 | 2005 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3245 cc | 2999 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 330 HP | 254 HP |
| Engine RPM | 7900 RPM | 6600 RPM |
| Torque | 355 Nm | 300 Nm |
| Torque RPM | 4900 RPM | 2500 RPM |
| Engine Bore Size | 87 mm | 85 mm |
| Engine Stroke Size | 91 mm | 88 mm |
| Engine Compression Ratio | 11.5:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5 seconds | 6.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1485 kg | 1764 kg |
| Vehicle Length | 4120 mm | 4830 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1310 mm | 1380 mm |
| Wheelbase Size | 2500 mm | 2670 mm |
| Fuel Consumption Overall | 12.4 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
