2004 BMW 525 vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2004 BMW 525. In addition, the cost of maintenance, including insurance, on 2004 BMW 525 would be higher. At 2,497 cc (6 cylinders), 2004 BMW 525 is equipped with a bigger engine. In terms of performance, 2004 BMW 525 (174 HP @ 4000 RPM) has 70 more horse power than 2006 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2004 BMW 525 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 525 weights approximately 235 kg more than 2006 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 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 2004 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2004 BMW 525 (390 Nm @ 2000 RPM) has 239 more torque (in Nm) than 2006 Opel Astra. (151 Nm @ 3900 RPM). This means 2004 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2004 BMW 525 | 2006 Opel Astra | |
| Make | BMW | Opel |
| Model | 525 | Astra |
| Year Released | 2004 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 104 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 390 Nm | 151 Nm |
| Torque RPM | 2000 RPM | 3900 RPM |
| Top Speed | 220 km/hour | 186 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 14.1 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1750 kg | 1515 kg |
| Vehicle Length | 4850 mm | 4480 mm |
| Vehicle Width | 1850 mm | 2030 mm |
| Vehicle Height | 1500 mm | 1840 mm |
| Wheelbase Size | 2890 mm | 2620 mm |
| Fuel Consumption Overall | 7 L/100km | 7 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
