2006 BMW 525 vs. 2012 Opel Astra
To start off, 2012 Opel Astra is newer by 6 year(s). Which means there will be less support and parts availability for 2006 BMW 525. In addition, the cost of maintenance, including insurance, on 2006 BMW 525 would be higher. At 2,497 cc (6 cylinders), 2006 BMW 525 is equipped with a bigger engine. In terms of performance, 2006 BMW 525 (215 HP @ 6500 RPM) has 67 more horse power than 2012 Opel Astra. (148 HP @ 4000 RPM). In normal driving conditions, 2006 BMW 525 should accelerate faster than 2012 Opel Astra.
Because 2006 BMW 525 is four wheel drive (4WD), it will have significant more traction and grip than 2012 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2006 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, 2012 Opel Astra (320 Nm @ 2000 RPM) has 70 more torque (in Nm) than 2006 BMW 525. (250 Nm @ 2750 RPM). This means 2012 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 525.
Compare all specifications:
| 2006 BMW 525 | 2012 Opel Astra | |
| Make | BMW | Opel |
| Model | 525 | Astra |
| Year Released | 2006 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1910 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 148 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 250 Nm | 320 Nm |
| Torque RPM | 2750 RPM | 2000 RPM |
| Engine Bore Size | 78.9 mm | 82 mm |
| Engine Stroke Size | 82 mm | 90.4 mm |
| Engine Compression Ratio | 11.0:1 | 17.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 8.5 seconds | 8.9 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4850 mm | 4300 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1500 mm | 1440 mm |
| Wheelbase Size | 2840 mm | 2620 mm |
| Fuel Consumption Overall | 9.9 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
