2003 Opel Astra vs. 2005 BMW 325
To start off, 2005 BMW 325 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 2,494 cc (6 cylinders), 2005 BMW 325 is equipped with a bigger engine. In terms of performance, 2005 BMW 325 (184 HP @ 6000 RPM) has 39 more horse power than 2003 Opel Astra. (145 HP @ 5800 RPM) In normal driving conditions, 2005 BMW 325 should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 325 weights approximately 417 kg more than 2003 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW 325 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2005 BMW 325 will offer significantly more control. 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, 2005 BMW 325 (245 Nm @ 3500 RPM) has 42 more torque (in Nm) than 2003 Opel Astra. (203 Nm @ 4000 RPM). This means 2005 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2003 Opel Astra | 2005 BMW 325 | |
| Make | Opel | BMW |
| Model | Astra | 325 |
| Year Released | 2003 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 2494 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 145 HP | 184 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 203 Nm | 245 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 86 mm | 84.1 mm |
| Engine Stroke Size | 94.6 mm | 75 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Acceleration 0-100mph | 10 seconds | 7.7 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1298 kg | 1715 kg |
| Vehicle Length | 4120 mm | 4480 mm |
| Vehicle Width | 1720 mm | 1750 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2500 mm | 2730 mm |
| Fuel Consumption Overall | 8.4 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 52 L | 63 L |
