2005 Opel Astra vs. 2009 BMW 525
To start off, 2009 BMW 525 is newer by 4 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), 2009 BMW 525 is equipped with a bigger engine. In terms of performance, 2009 BMW 525 (215 HP @ 6500 RPM) has 131 more horse power than 2005 Opel Astra. (84 HP @ 5400 RPM) In normal driving conditions, 2009 BMW 525 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 525 weights approximately 319 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 2009 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, 2009 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, 2009 BMW 525 (250 Nm @ 2750 RPM) has 112 more torque (in Nm) than 2005 Opel Astra. (138 Nm @ 2600 RPM). This means 2009 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2005 Opel Astra | 2009 BMW 525 | |
| Make | Opel | BMW |
| Model | Astra | 525 |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 84 HP | 215 HP |
| Engine RPM | 5400 RPM | 6500 RPM |
| Torque | 138 Nm | 250 Nm |
| Torque RPM | 2600 RPM | 2750 RPM |
| Engine Bore Size | 79 mm | 78.9 mm |
| Engine Stroke Size | 81.5 mm | 82 mm |
| Engine Compression Ratio | 9.6:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 13.5 seconds | 8.5 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1206 kg | 1525 kg |
| Vehicle Length | 4290 mm | 4850 mm |
| Vehicle Width | 1720 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1500 mm |
| Wheelbase Size | 2620 mm | 2840 mm |
| Fuel Consumption Overall | 7.9 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 52 L | 70 L |
