2003 BMW 545 vs. 2012 Opel Astra
To start off, 2012 Opel Astra is newer by 9 year(s). Which means there will be less support and parts availability for 2003 BMW 545. In addition, the cost of maintenance, including insurance, on 2003 BMW 545 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 545 is equipped with a bigger engine. In terms of performance, 2003 BMW 545 (328 HP @ 6100 RPM) has 89 more horse power than 2012 Opel Astra. (239 HP @ 5600 RPM). In normal driving conditions, 2003 BMW 545 should accelerate faster than 2012 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 545 weights approximately 312 kg more than 2012 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 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 2003 BMW 545. However, in wet, icy, snow, or gravel driving conditions, 2012 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, 2003 BMW 545 (450 Nm @ 3600 RPM) has 130 more torque (in Nm) than 2012 Opel Astra. (320 Nm @ 2400 RPM). This means 2003 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2012 Opel Astra.
Compare all specifications:
| 2003 BMW 545 | 2012 Opel Astra | |
| Make | BMW | Opel |
| Model | 545 | Astra |
| Year Released | 2003 | 2012 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 239 HP |
| Engine RPM | 6100 RPM | 5600 RPM |
| Torque | 450 Nm | 320 Nm |
| Torque RPM | 3600 RPM | 2400 RPM |
| Engine Bore Size | 92 mm | 86 mm |
| Engine Stroke Size | 82.7 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 8.8:1 |
| Top Speed | 250 km/hour | 244 km/hour |
| Acceleration 0-100mph | 6.1 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 | 1705 kg | 1393 kg |
| Vehicle Length | 4850 mm | 4300 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2840 mm | 2620 mm |
| Fuel Consumption Overall | 10.9 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
