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. At 2,979 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (229 HP @ 5900 RPM) has 104 more horse power than 2003 Opel Vectra. (125 HP @ 4000 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 205 kg more than 2003 Opel Vectra. 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 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 (300 Nm @ 3500 RPM) has 20 more torque (in Nm) than 2003 Opel Vectra. (280 Nm @ 1500 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2007 BMW X3 has automatic transmission and 2003 Opel Vectra has manual transmission. 2003 Opel Vectra 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 | 2003 Opel Vectra | |
| Make | BMW | Opel |
| Model | X3 | Vectra |
| Year Released | 2007 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 2169 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 229 HP | 125 HP |
| Engine RPM | 5900 RPM | 4000 RPM |
| Torque | 300 Nm | 280 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Compression Ratio | 10.2:1 | 10.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1765 kg | 1560 kg |
| Vehicle Length | 4570 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1680 mm | 1510 mm |
