2007 BMW X3 vs. 2003 Opel Vectra
To start off, 2007 BMW X3 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. Both 2007 BMW X3 and 2003 Opel Vectra are equipped with a 1,995 cc engine. In terms of performance, 2003 Opel Vectra (175 HP @ 5400 RPM) has 26 more horse power than 2007 BMW X3. (149 HP @ 4000 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 240 kg more than 2003 Opel Vectra.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Vectra. 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 (330 Nm @ 2000 RPM) has 60 more torque (in Nm) than 2003 Opel Vectra. (270 Nm @ 2500 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2007 BMW X3 | 2003 Opel Vectra | |
| Make | BMW | Opel |
| Model | X3 | Vectra |
| Year Released | 2007 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 149 HP | 175 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 330 Nm | 270 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 17.0:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1740 kg | 1500 kg |
| Vehicle Length | 4570 mm | 4830 mm |
| Vehicle Width | 1680 mm | 1800 mm |
| Vehicle Height | 1860 mm | 1510 mm |
