2008 BMW X5 vs. 2005 Opel Vectra
To start off, 2008 BMW X5 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2005 Opel Vectra would be higher. At 4,799 cc (8 cylinders), 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (350 HP @ 6300 RPM) has 227 more horse power than 2005 Opel Vectra. (123 HP @ 5600 RPM). In normal driving conditions, 2008 BMW X5 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 194 kg more than 2005 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2008 BMW X5 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, 2008 BMW X5 (475 Nm @ 3400 RPM) has 310 more torque (in Nm) than 2005 Opel Vectra. (165 Nm @ 3800 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2008 BMW X5 | 2005 Opel Vectra | |
| Make | BMW | Opel |
| Model | X5 | Vectra |
| Year Released | 2008 | 2005 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 1794 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 350 HP | 123 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 475 Nm | 165 Nm |
| Torque RPM | 3400 RPM | 3800 RPM |
| Engine Bore Size | 93 mm | 80.5 mm |
| Engine Stroke Size | 88.3 mm | 88.2 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Top Speed | 242 km/hour | 200 km/hour |
| Acceleration 0-100mph | 6.5 seconds | 12 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1554 kg | 1360 kg |
| Vehicle Length | 4860 mm | 4500 mm |
| Vehicle Width | 1940 mm | 1710 mm |
| Vehicle Height | 1740 mm | 1430 mm |
| Wheelbase Size | 2940 mm | 2640 mm |
| Fuel Tank Capacity | 85 L | 60 L |
