2005 BMW X3 vs. 2003 Opel Astra
To start off, 2005 BMW X3 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 2,491 cc (6 cylinders), 2005 BMW X3 is equipped with a bigger engine. In terms of performance, 2005 BMW X3 (184 HP @ 6000 RPM) has 102 more horse power than 2003 Opel Astra. (82 HP @ 4400 RPM). In normal driving conditions, 2005 BMW X3 should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X3 weights approximately 430 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 X3 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 X3 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 X3 (237 Nm @ 3500 RPM) has 52 more torque (in Nm) than 2003 Opel Astra. (185 Nm @ 1500 RPM). This means 2005 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2005 BMW X3 | 2003 Opel Astra | |
| Make | BMW | Opel |
| Model | X3 | Astra |
| Year Released | 2005 | 2003 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2491 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 184 HP | 82 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 237 Nm | 185 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Compression Ratio | 10.5:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1815 kg | 1385 kg |
| Vehicle Length | 4570 mm | 4260 mm |
| Vehicle Width | 1860 mm | 1700 mm |
| Vehicle Height | 1680 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2620 mm |
| Fuel Tank Capacity | 67 L | 52 L |
