2004 BMW 630 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 3 year(s). Which means there will be less support and parts availability for 2004 BMW 630. In addition, the cost of maintenance, including insurance, on 2004 BMW 630 would be higher. At 2,993 cc (6 cylinders), 2004 BMW 630 is equipped with a bigger engine. In terms of performance, 2004 BMW 630 (254 HP @ 6600 RPM) has 106 more horse power than 2007 Opel Astra. (148 HP @ 4000 RPM). In normal driving conditions, 2004 BMW 630 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 630 weights approximately 362 kg more than 2007 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 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 2004 BMW 630. However, in wet, icy, snow, or gravel driving conditions, 2007 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 Opel Astra (320 Nm @ 2000 RPM) has 15 more torque (in Nm) than 2004 BMW 630. (305 Nm @ 2500 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 630.
Compare all specifications:
| 2004 BMW 630 | 2007 Opel Astra | |
| Make | BMW | Opel |
| Model | 630 | Astra |
| Year Released | 2004 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1910 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 | 4000 RPM |
| Torque | 305 Nm | 320 Nm |
| Torque RPM | 2500 RPM | 2000 RPM |
| Engine Bore Size | 85.1 mm | 82 mm |
| Engine Stroke Size | 88 mm | 90.4 mm |
| Engine Compression Ratio | 10.7:1 | 17.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 210 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 8.9 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1760 kg | 1398 kg |
| Vehicle Length | 4830 mm | 4300 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1380 mm | 1440 mm |
| Wheelbase Size | 2790 mm | 2620 mm |
| Fuel Consumption Overall | 9.6 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
