2009 BMW 523 vs. 2009 Opel Astra
To start off, both 2009 BMW 523 and 2009 Opel Astra were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,497 cc (6 cylinders), 2009 BMW 523 is equipped with a bigger engine. In terms of performance, 2009 Opel Astra (239 HP @ 5600 RPM) has 64 more horse power than 2009 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2009 Opel Astra should accelerate faster than 2009 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 523 weights approximately 172 kg more than 2009 Opel Astra.
Because 2009 BMW 523 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 2009 BMW 523. However, in wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Opel Astra (320 Nm @ 2400 RPM) has 90 more torque (in Nm) than 2009 BMW 523. (230 Nm @ 3500 RPM). This means 2009 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 523.
Compare all specifications:
| 2009 BMW 523 | 2009 Opel Astra | |
| Make | BMW | Opel |
| Model | 523 | Astra |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 239 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 230 Nm | 320 Nm |
| Torque RPM | 3500 RPM | 2400 RPM |
| Engine Bore Size | 82.1 mm | 86 mm |
| Engine Stroke Size | 78.8 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 8.5 seconds | 6.4 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1565 kg | 1393 kg |
| Vehicle Length | 4850 mm | 4300 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2890 mm | 2620 mm |
| Fuel Consumption Overall | 8.5 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
