2007 BMW 525 vs. 2005 Opel Astra
To start off, 2007 BMW 525 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 2,497 cc (6 cylinders), 2007 BMW 525 is equipped with a bigger engine. In terms of performance, 2007 BMW 525 (215 HP @ 6500 RPM) has 70 more horse power than 2005 Opel Astra. (145 HP @ 5800 RPM). In normal driving conditions, 2007 BMW 525 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 525 weights approximately 384 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 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, 2007 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, 2007 BMW 525 (250 Nm @ 2750 RPM) has 47 more torque (in Nm) than 2005 Opel Astra. (203 Nm @ 4000 RPM). This means 2007 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2007 BMW 525 | 2005 Opel Astra | |
| Make | BMW | Opel |
| Model | 525 | Astra |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2196 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 145 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 250 Nm | 203 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 237 km/hour | 214 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 9.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1565 kg | 1181 kg |
| Wheelbase Size | 2890 mm | 2840 mm |
| Fuel Consumption Overall | 9.6 L/100km | 10.8 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
