2005 BMW X3 vs. 2004 Opel Astra
To start off, 2005 BMW X3 is newer by 1 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 2,977 cc (6 cylinders), 2005 BMW X3 is equipped with a bigger engine. In terms of performance, 2004 Opel Astra (197 HP @ 5400 RPM) has 13 more horse power than 2005 BMW X3. (184 HP @ 4000 RPM) In normal driving conditions, 2004 Opel Astra should accelerate faster than 2005 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X3 weights approximately 539 kg more than 2004 Opel Astra.
Because 2005 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2004 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 (420 Nm @ 1500 RPM) has 158 more torque (in Nm) than 2004 Opel Astra. (262 Nm @ 4200 RPM). This means 2005 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra.
Compare all specifications:
| 2005 BMW X3 | 2004 Opel Astra | |
| Make | BMW | Opel |
| Model | X3 | Astra |
| Year Released | 2005 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2977 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 184 HP | 197 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 420 Nm | 262 Nm |
| Torque RPM | 1500 RPM | 4200 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 17.0:1 | 8.8:1 |
| Top Speed | 210 km/hour | 230 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 8.2 seconds |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1925 kg | 1386 kg |
| Vehicle Length | 4570 mm | 4260 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1680 mm | 1470 mm |
| Wheelbase Size | 2830 mm | 2740 mm |
| Fuel Consumption Overall | 8.4 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 67 L | 52 L |
