2007 BMW 523 vs. 2006 Opel Vectra
To start off, 2007 BMW 523 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2006 Opel Vectra would be higher. At 2,497 cc (6 cylinders), 2007 BMW 523 is equipped with a bigger engine. In terms of performance, 2007 BMW 523 (175 HP @ 5800 RPM) has 2 more horse power than 2006 Opel Vectra. (173 HP @ 5500 RPM). In normal driving conditions, 2007 BMW 523 should accelerate faster than 2006 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 523 weights approximately 5 kg more than 2006 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 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 2007 BMW 523. However, in wet, icy, snow, or gravel driving conditions, 2006 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 Opel Vectra (265 Nm @ 2500 RPM) has 35 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 2006 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523.
Compare all specifications:
| 2007 BMW 523 | 2006 Opel Vectra | |
| Make | BMW | Opel |
| Model | 523 | Vectra |
| Year Released | 2007 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 173 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 230 Nm | 265 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Bore Size | 82.1 mm | 86.1 mm |
| Engine Stroke Size | 78.8 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 8.5 seconds | 9.1 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1490 kg | 1485 kg |
| Vehicle Width | 1470 mm | 1800 mm |
| Vehicle Height | 1850 mm | 1470 mm |
| Wheelbase Size | 2890 mm | 2710 mm |
| Fuel Consumption Overall | 8.5 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 70 L | 61 L |
