2009 BMW 545 vs. 2009 Opel Astra
To start off, both 2009 BMW 545 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 4,398 cc (8 cylinders), 2009 BMW 545 is equipped with a bigger engine. In terms of performance, 2009 BMW 545 (328 HP @ 6100 RPM) has 224 more horse power than 2009 Opel Astra. (104 HP @ 6000 RPM). In normal driving conditions, 2009 BMW 545 should accelerate faster than 2009 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 545 weights approximately 745 kg more than 2009 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW 545 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 545. 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 BMW 545 (450 Nm @ 3600 RPM) has 300 more torque (in Nm) than 2009 Opel Astra. (150 Nm @ 3900 RPM). This means 2009 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2009 Opel Astra.
Compare all specifications:
| 2009 BMW 545 | 2009 Opel Astra | |
| Make | BMW | Opel |
| Model | 545 | Astra |
| Year Released | 2009 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1589 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 104 HP |
| Engine RPM | 6100 RPM | 6000 RPM |
| Torque | 450 Nm | 150 Nm |
| Torque RPM | 3600 RPM | 3900 RPM |
| Engine Bore Size | 92 mm | 79.1 mm |
| Engine Stroke Size | 82.7 mm | 81.5 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 5.9 seconds | 12.3 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1975 kg | 1230 kg |
| Vehicle Length | 4850 mm | 4260 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1500 mm | 1470 mm |
| Wheelbase Size | 2840 mm | 2620 mm |
| Fuel Consumption Overall | 11.3 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
