2005 BMW 525 vs. 2003 Opel Vectra
To start off, 2005 BMW 525 is newer by 2 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 2,497 cc (6 cylinders), 2005 BMW 525 is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (173 HP @ 5500 RPM) has 12 more horse power than 2005 BMW 525. (161 HP @ 4000 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2005 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 20 kg more than 2005 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW 525 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 2005 BMW 525. 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, 2005 BMW 525 (351 Nm @ 2000 RPM) has 81 more torque (in Nm) than 2003 Opel Vectra. (270 Nm @ 2500 RPM). This means 2005 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2005 BMW 525 | 2003 Opel Vectra | |
| Make | BMW | Opel |
| Model | 525 | Vectra |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 173 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 351 Nm | 270 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Engine Bore Size | 80 mm | 86 mm |
| Engine Stroke Size | 82.8 mm | 86 mm |
| Top Speed | 230 km/hour | 230 km/hour |
| Acceleration 0-100mph | 8.1 seconds | 9.4 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 | 1490 kg | 1510 kg |
| Vehicle Length | 4850 mm | 4600 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2840 mm |
| Fuel Consumption Overall | 6.7 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 70 L | 61 L |
