2007 BMW X3 vs. 2005 Opel Astra
To start off, 2007 BMW X3 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 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 (228 HP @ 5900 RPM) has 30 more horse power than 2005 Opel Astra. (198 HP @ 5600 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 334 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2005 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 (301 Nm @ 3500 RPM) has 51 more torque (in Nm) than 2005 Opel Astra. (250 Nm @ 1950 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2007 BMW X3 has automatic transmission and 2005 Opel Astra has manual transmission. 2005 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 | 2005 Opel Astra | |
| Make | BMW | Opel |
| Model | X3 | Astra |
| Year Released | 2007 | 2005 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1979 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 198 HP |
| Engine RPM | 5900 RPM | 5600 RPM |
| Torque | 301 Nm | 250 Nm |
| Torque RPM | 3500 RPM | 1950 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 89.6 mm | 86 mm |
| Top Speed | 210 km/hour | 245 km/hour |
| Acceleration 0-100mph | 10 seconds | 7.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 2104 kg | 1770 kg |
| Wheelbase Size | 2830 mm | 2840 mm |
| Fuel Consumption Overall | 14.5 L/100km | 9 L/100km |
| Fuel Tank Capacity | 67 L | 52 L |
