2006 BMW 530 vs. 2005 Opel Astra
To start off, 2006 BMW 530 is newer by 1 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 2,999 cc (6 cylinders), 2006 BMW 530 is equipped with a bigger engine. In terms of performance, 2006 BMW 530 (255 HP @ 6600 RPM) has 170 more horse power than 2005 Opel Astra. (85 HP @ 5800 RPM). In normal driving conditions, 2006 BMW 530 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 530 weights approximately 500 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 2006 BMW 530 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2006 BMW 530 will offer significantly more control. 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 530 (298 Nm @ 2750 RPM) has 171 more torque (in Nm) than 2005 Opel Astra. (127 Nm @ 4000 RPM). This means 2006 BMW 530 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2006 BMW 530 | 2005 Opel Astra | |
| Make | BMW | Opel |
| Model | 530 | Astra |
| Year Released | 2006 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 1388 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 85 HP |
| Engine RPM | 6600 RPM | 5800 RPM |
| Torque | 298 Nm | 127 Nm |
| Torque RPM | 2750 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 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1750 kg | 1250 kg |
| Vehicle Length | 4860 mm | 4520 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1510 mm |
| Wheelbase Size | 2890 mm | 3010 mm |
