2007 BMW 650 vs. 2004 Opel Vectra
To start off, 2007 BMW 650 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2004 Opel Vectra would be higher. At 4,797 cc (8 cylinders), 2007 BMW 650 is equipped with a bigger engine. In terms of performance, 2007 BMW 650 (360 HP @ 6300 RPM) has 212 more horse power than 2004 Opel Vectra. (148 HP @ 4000 RPM). In normal driving conditions, 2007 BMW 650 should accelerate faster than 2004 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 650 weights approximately 365 kg more than 2004 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 650 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 BMW 650. However, in wet, icy, snow, or gravel driving conditions, 2004 Opel Vectra, being front wheel drive (FWD), will offer much better control with better grip. 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 650 (488 Nm @ 3400 RPM) has 167 more torque (in Nm) than 2004 Opel Vectra. (321 Nm @ 2000 RPM). This means 2007 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Vectra.
Compare all specifications:
| 2007 BMW 650 | 2004 Opel Vectra | |
| Make | BMW | Opel |
| Model | 650 | Vectra |
| Year Released | 2007 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 4797 cc | 1910 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 360 HP | 148 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 488 Nm | 321 Nm |
| Torque RPM | 3400 RPM | 2000 RPM |
| Engine Bore Size | 93 mm | 82 mm |
| Engine Stroke Size | 88.3 mm | 90.4 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1850 kg | 1485 kg |
| Vehicle Length | 4840 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1380 mm | 1510 mm |
