2007 BMW X3 vs. 2004 Opel Astra
To start off, 2007 BMW X3 is newer by 3 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 2,979 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (260 HP @ 6600 RPM) has 63 more horse power than 2004 Opel Astra. (197 HP @ 5400 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 2004 Opel Astra.
Because 2007 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, 2007 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, 2007 BMW X3 (305 Nm @ 2750 RPM) has 43 more torque (in Nm) than 2004 Opel Astra. (262 Nm @ 4200 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra. 2007 BMW X3 has automatic transmission and 2004 Opel Astra has manual transmission. 2004 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW X3 | 2004 Opel Astra | |
| Make | BMW | Opel |
| Model | X3 | Astra |
| Year Released | 2007 | 2004 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 260 HP | 197 HP |
| Engine RPM | 6600 RPM | 5400 RPM |
| Torque | 305 Nm | 262 Nm |
| Torque RPM | 2750 RPM | 4200 RPM |
| Engine Bore Size | 85.1 mm | 86.1 mm |
| Engine Stroke Size | 87.9 mm | 86 mm |
| Engine Compression Ratio | 10.7:1 | 8.8:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Doors | 5 doors | 5 doors |
