2005 Opel Vectra vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 4 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 3,600 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (473 HP @ 6000 RPM) has 325 more horse power than 2005 Opel Vectra. (148 HP @ 4000 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 225 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 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2009 Porsche 911 will offer significantly more control. 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, 2009 Porsche 911 (620 Nm @ 1950 RPM) has 299 more torque (in Nm) than 2005 Opel Vectra. (321 Nm @ 2000 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2005 Opel Vectra | 2009 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Vectra | 911 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1909 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 473 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 321 Nm | 620 Nm |
| Torque RPM | 2000 RPM | 1950 RPM |
| Engine Bore Size | 82 mm | 100 mm |
| Engine Stroke Size | 90.4 mm | 76.4 mm |
| Engine Compression Ratio | 18.0:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 217 km/hour | 310 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 4 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1200 kg | 1425 kg |
| Vehicle Length | 4600 mm | 4460 mm |
| Vehicle Width | 1800 mm | 1310 mm |
| Vehicle Height | 1470 mm | 1860 mm |
| Wheelbase Size | 2640 mm | 2360 mm |
| Fuel Consumption Overall | 5.8 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 61 L | 67 L |
