2007 BMW 523 vs. 2005 Opel Vectra
To start off, 2007 BMW 523 is newer by 2 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 3,175 cc (6 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (208 HP @ 6200 RPM) has 33 more horse power than 2007 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 2007 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 60 kg more than 2007 BMW 523. 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, 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, 2005 Opel Vectra (300 Nm @ 4000 RPM) has 70 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523. 2005 Opel Vectra has automatic transmission and 2007 BMW 523 has manual transmission. 2007 BMW 523 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 523 | 2005 Opel Vectra | |
| Make | BMW | Opel |
| Model | 523 | Vectra |
| Year Released | 2007 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 208 HP |
| Engine RPM | 5800 RPM | 6200 RPM |
| Torque | 230 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 78.8 mm | 87.5 mm |
| Engine Stroke Size | 82 mm | 88 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 235 km/hour | 239 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 8.1 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1565 kg | 1625 kg |
| Vehicle Length | 4850 mm | 4830 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1510 mm |
| Wheelbase Size | 2890 mm | 2700 mm |
| Fuel Consumption Overall | 8.5 L/100km | 10.3 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
