2005 Opel Astra vs. 2007 BMW 525
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 92 more horse power than 2005 Opel Astra. (123 HP @ 5600 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 480 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 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 2007 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2005 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 BMW 525 (251 Nm @ 2750 RPM) has 84 more torque (in Nm) than 2005 Opel Astra. (167 Nm @ 3800 RPM). This means 2007 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2007 BMW 525 has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Astra | 2007 BMW 525 | |
| Make | Opel | BMW |
| Model | Astra | 525 |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 123 HP | 215 HP |
| Engine RPM | 5600 RPM | 6500 RPM |
| Torque | 167 Nm | 251 Nm |
| Torque RPM | 3800 RPM | 2750 RPM |
| Top Speed | 200 km/hour | 240 km/hour |
| Acceleration 0-100mph | 10 seconds | 7.8 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1200 kg | 1680 kg |
| Wheelbase Size | 2740 mm | 2840 mm |
| Fuel Tank Capacity | 52 L | 70 L |
