2008 BMW 525 vs. 2005 Opel Astra
To start off, 2008 BMW 525 is newer by 3 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 2,497 cc (6 cylinders), 2008 BMW 525 is equipped with a bigger engine. In terms of performance, 2008 BMW 525 (215 HP @ 6500 RPM) has 95 more horse power than 2005 Opel Astra. (120 HP @ 4000 RPM). In normal driving conditions, 2008 BMW 525 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 525 weights approximately 315 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 2008 BMW 525 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, 2008 BMW 525 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, 2008 BMW 525 (250 Nm @ 2750 RPM) has 80 more torque (in Nm) than 2005 Opel Astra. (170 Nm @ 3800 RPM). This means 2008 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2008 BMW 525 | 2005 Opel Astra | |
| Make | BMW | Opel |
| Model | 525 | Astra |
| Year Released | 2008 | 2005 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1795 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 120 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 250 Nm | 170 Nm |
| Torque RPM | 2750 RPM | 3800 RPM |
| Engine Bore Size | 78.9 mm | 80.5 mm |
| Engine Stroke Size | 82 mm | 88.2 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1550 kg | 1235 kg |
| Vehicle Length | 4850 mm | 4520 mm |
| Wheelbase Size | 2840 mm | 2740 mm |
| Fuel Tank Capacity | 70 L | 52 L |
