2006 BMW 545 vs. 2005 Opel Vectra
To start off, 2006 BMW 545 is newer by 1 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 4,396 cc (8 cylinders), 2006 BMW 545 is equipped with a bigger engine. In terms of performance, 2006 BMW 545 (328 HP @ 6100 RPM) has 206 more horse power than 2005 Opel Vectra. (122 HP @ 5600 RPM). In normal driving conditions, 2006 BMW 545 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 545 weights approximately 475 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 2006 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 2006 BMW 545. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2006 BMW 545 (450 Nm @ 3600 RPM) has 280 more torque (in Nm) than 2005 Opel Vectra. (170 Nm @ 3800 RPM). This means 2006 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra. 2006 BMW 545 has automatic transmission and 2005 Opel Vectra has manual transmission. 2005 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 545 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 545 | 2005 Opel Vectra | |
| Make | BMW | Opel |
| Model | 545 | Vectra |
| Year Released | 2006 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4396 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 328 HP | 122 HP |
| Engine RPM | 6100 RPM | 5600 RPM |
| Torque | 450 Nm | 170 Nm |
| Torque RPM | 3600 RPM | 3800 RPM |
| Engine Bore Size | 92 mm | 80.5 mm |
| Engine Stroke Size | 83 mm | 88.2 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Top Speed | 250 km/hour | 208 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 10.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1835 kg | 1360 kg |
| Vehicle Length | 4850 mm | 4500 mm |
| Vehicle Width | 1850 mm | 1710 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2890 mm | 2450 mm |
| Fuel Tank Capacity | 70 L | 60 L |
