2007 BMW 630 vs. 2005 Opel Astra
To start off, 2007 BMW 630 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 2,996 cc (6 cylinders), 2007 BMW 630 is equipped with a bigger engine. In terms of performance, 2007 BMW 630 (255 HP @ 6600 RPM) has 166 more horse power than 2005 Opel Astra. (89 HP @ 5600 RPM). In normal driving conditions, 2007 BMW 630 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 630 weights approximately 560 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 630 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 BMW 630. However, in wet, icy, snow, or gravel driving conditions, 2005 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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 630 (300 Nm @ 2500 RPM) has 175 more torque (in Nm) than 2005 Opel Astra. (125 Nm @ 4000 RPM). This means 2007 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2007 BMW 630 | 2005 Opel Astra | |
| Make | BMW | Opel |
| Model | 630 | Astra |
| Year Released | 2007 | 2005 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 1364 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 89 HP |
| Engine RPM | 6600 RPM | 5600 RPM |
| Torque | 300 Nm | 125 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 85 mm | 73.4 mm |
| Engine Stroke Size | 88 mm | 80.6 mm |
| Engine Compression Ratio | 10.7:1 | 10.5:1 |
| Top Speed | 250 km/hour | 180 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 13.9 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1760 kg | 1200 kg |
| Vehicle Length | 4830 mm | 4300 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1380 mm | 1440 mm |
| Wheelbase Size | 2790 mm | 2610 mm |
| Fuel Consumption Overall | 9.6 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
