2005 BMW X3 vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW X3. In addition, the cost of maintenance, including insurance, on 2005 BMW X3 would be higher. At 2,983 cc (6 cylinders), 2005 BMW X3 is equipped with a bigger engine. In terms of performance, 2005 BMW X3 (228 HP @ 5900 RPM) has 129 more horse power than 2006 Opel Astra. (99 HP @ 4400 RPM). In normal driving conditions, 2005 BMW X3 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X3 weights approximately 470 kg more than 2006 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 2006 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 (300 Nm @ 3500 RPM) has 60 more torque (in Nm) than 2006 Opel Astra. (240 Nm @ 2300 RPM). This means 2005 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2005 BMW X3 | 2006 Opel Astra | |
| Make | BMW | Opel |
| Model | X3 | Astra |
| Year Released | 2005 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 1686 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 99 HP |
| Engine RPM | 5900 RPM | 4400 RPM |
| Torque | 300 Nm | 240 Nm |
| Torque RPM | 3500 RPM | 2300 RPM |
| Engine Compression Ratio | 10.0:1 | 18.4:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 7.8 seconds | 12.3 seconds |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1835 kg | 1365 kg |
| Vehicle Length | 4570 mm | 4260 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1680 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2620 mm |
| Fuel Consumption Overall | 11.8 L/100km | 5 L/100km |
| Fuel Tank Capacity | 67 L | 52 L |
