2008 BMW 523 vs. 2005 Opel Vectra
To start off, 2008 BMW 523 is newer by 3 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 2,497 cc (6 cylinders), 2008 BMW 523 is equipped with a bigger engine. In terms of performance, 2008 BMW 523 (175 HP @ 5800 RPM) has 53 more horse power than 2005 Opel Vectra. (122 HP @ 5600 RPM). In normal driving conditions, 2008 BMW 523 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 523 weights approximately 130 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 2008 BMW 523 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 2008 BMW 523. 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, 2008 BMW 523 (230 Nm @ 3500 RPM) has 60 more torque (in Nm) than 2005 Opel Vectra. (170 Nm @ 3800 RPM). This means 2008 BMW 523 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2008 BMW 523 | 2005 Opel Vectra | |
| Make | BMW | Opel |
| Model | 523 | Vectra |
| Year Released | 2008 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 122 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 230 Nm | 170 Nm |
| Torque RPM | 3500 RPM | 3800 RPM |
| Engine Bore Size | 82.1 mm | 80.5 mm |
| Engine Stroke Size | 78.8 mm | 88.2 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Acceleration 0-100mph | 8.5 seconds | 10.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1490 kg | 1360 kg |
| Vehicle Length | 4870 mm | 4500 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2890 mm | 2450 mm |
| Fuel Tank Capacity | 70 L | 60 L |
