2004 BMW 745 vs. 2003 Opel Vectra
To start off, 2004 BMW 745 is newer by 1 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 4,392 cc (8 cylinders), 2004 BMW 745 is equipped with a bigger engine. In terms of performance, 2004 BMW 745 (310 HP @ 7900 RPM) has 158 more horse power than 2003 Opel Vectra. (152 HP @ 5600 RPM). In normal driving conditions, 2004 BMW 745 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 745 weights approximately 401 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 2004 BMW 745 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 2004 BMW 745. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2004 BMW 745 (451 Nm) has 231 more torque (in Nm) than 2003 Opel Vectra. (220 Nm). This means 2004 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2004 BMW 745 | 2003 Opel Vectra | |
| Make | BMW | Opel |
| Model | 745 | Vectra |
| Year Released | 2004 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 2198 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 310 HP | 152 HP |
| Engine RPM | 7900 RPM | 5600 RPM |
| Torque | 451 Nm | 220 Nm |
| Engine Bore Size | 92 mm | 86 mm |
| Engine Stroke Size | 83 mm | 94.6 mm |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1985 kg | 1584 kg |
| Vehicle Length | 5040 mm | 4830 mm |
| Vehicle Width | 1910 mm | 1800 mm |
| Vehicle Height | 1500 mm | 1510 mm |
| Wheelbase Size | 3000 mm | 2840 mm |
| Fuel Consumption Highway | 9.1 L/100km | 6.9 L/100km |
| Fuel Consumption City | 13.1 L/100km | 12.1 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 8.8 L/100km |
| Fuel Tank Capacity | 88 L | 60 L |
