2003 BMW 545 vs. 2004 Opel Vectra
To start off, 2004 Opel Vectra is newer by 1 year(s). Which means there will be less support and parts availability for 2003 BMW 545. In addition, the cost of maintenance, including insurance, on 2003 BMW 545 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 545 is equipped with a bigger engine. In terms of performance, 2003 BMW 545 (328 HP @ 6100 RPM) has 163 more horse power than 2004 Opel Vectra. (165 HP @ 5400 RPM). In normal driving conditions, 2003 BMW 545 should accelerate faster than 2004 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 545 weights approximately 330 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 2003 BMW 545 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 2003 BMW 545. 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, 2003 BMW 545 (450 Nm @ 3600 RPM) has 184 more torque (in Nm) than 2004 Opel Vectra. (266 Nm @ 2500 RPM). This means 2003 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Vectra.
Compare all specifications:
| 2003 BMW 545 | 2004 Opel Vectra | |
| Make | BMW | Opel |
| Model | 545 | Vectra |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 165 HP |
| Engine RPM | 6100 RPM | 5400 RPM |
| Torque | 450 Nm | 266 Nm |
| Torque RPM | 3600 RPM | 2500 RPM |
| Engine Bore Size | 92 mm | 86 mm |
| Engine Stroke Size | 82.7 mm | 86 mm |
| Top Speed | 250 km/hour | 230 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 9.1 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1705 kg | 1375 kg |
| Vehicle Length | 4850 mm | 4600 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2840 mm | 2740 mm |
| Fuel Consumption Overall | 10.9 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
