2004 BMW 545 vs. 2004 Opel Astra
To start off, both 2004 BMW 545 and 2004 Opel Astra were released in the same year (2004). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,398 cc (8 cylinders), 2004 BMW 545 is equipped with a bigger engine. In terms of performance, 2004 BMW 545 (315 HP @ 7750 RPM) has 190 more horse power than 2004 Opel Astra. (125 HP @ 5600 RPM). In normal driving conditions, 2004 BMW 545 should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 545 weights approximately 455 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 2004 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 2004 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, 2004 BMW 545 (447 Nm) has 280 more torque (in Nm) than 2004 Opel Astra. (167 Nm). This means 2004 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra.
Compare all specifications:
| 2004 BMW 545 | 2004 Opel Astra | |
| Make | BMW | Opel |
| Model | 545 | Astra |
| Year Released | 2004 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 315 HP | 125 HP |
| Engine RPM | 7750 RPM | 5600 RPM |
| Torque | 447 Nm | 167 Nm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1780 kg | 1325 kg |
| Vehicle Length | 4850 mm | 4520 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1480 mm | 1510 mm |
| Wheelbase Size | 2830 mm | 2700 mm |
| Fuel Consumption Highway | 9.4 L/100km | 6.4 L/100km |
| Fuel Consumption City | 13.8 L/100km | 10.7 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 8 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
