2009 BMW 545 vs. 2004 Opel Astra
To start off, 2009 BMW 545 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Opel Astra. In addition, the cost of maintenance, including insurance, on 2004 Opel Astra would be higher. 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 160 more horse power than 2004 Opel Astra. (168 HP @ 5200 RPM). In normal driving conditions, 2009 BMW 545 should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 545 weights approximately 280 kg more than 2004 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, 2004 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 209 more torque (in Nm) than 2004 Opel Astra. (241 Nm @ 1950 RPM). This means 2009 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra.
Compare all specifications:
| 2009 BMW 545 | 2004 Opel Astra | |
| Make | BMW | Opel |
| Model | 545 | Astra |
| Year Released | 2009 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1979 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 168 HP |
| Engine RPM | 6100 RPM | 5200 RPM |
| Torque | 450 Nm | 241 Nm |
| Torque RPM | 3600 RPM | 1950 RPM |
| Engine Bore Size | 92 mm | 86 mm |
| Engine Stroke Size | 82.7 mm | 86 mm |
| Top Speed | 250 km/hour | 217 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 8.9 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1705 kg | 1425 kg |
| Vehicle Length | 4850 mm | 4520 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1510 mm |
| Wheelbase Size | 2890 mm | 2620 mm |
| Fuel Consumption Overall | 11 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
