2005 Opel Vectra vs. 2011 Porsche 911
To start off, 2011 Porsche 911 is newer by 6 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 3,800 cc (6 cylinders), 2011 Porsche 911 is equipped with a bigger engine. In terms of performance, 2011 Porsche 911 (530 HP @ 6250 RPM) has 357 more horse power than 2005 Opel Vectra. (173 HP @ 5500 RPM) In normal driving conditions, 2011 Porsche 911 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2011 Porsche 911 weights approximately 175 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 2011 Porsche 911 is all wheel drive (AWD), it will have significant more traction and grip than 2005 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 Porsche 911 (699 Nm @ 2100 RPM) has 434 more torque (in Nm) than 2005 Opel Vectra. (265 Nm @ 2500 RPM). This means 2011 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 | 2011 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Vectra | 911 |
| Year Released | 2005 | 2011 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1998 cc | 3800 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 530 HP |
| Engine RPM | 5500 RPM | 6250 RPM |
| Torque | 265 Nm | 699 Nm |
| Torque RPM | 2500 RPM | 2100 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1485 kg | 1660 kg |
| Vehicle Length | 4600 mm | 4478 mm |
| Vehicle Width | 1800 mm | 1852 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2620 mm | 2350 mm |
| Fuel Tank Capacity | 61 L | 67 L |
