2005 Holden 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 Holden Vectra. In addition, the cost of maintenance, including insurance, on 2005 Holden 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 (500 HP @ 6000 RPM) has 355 more horse power than 2005 Holden Vectra. (145 HP @ 5800 RPM) In normal driving conditions, 2011 Porsche 911 should accelerate faster than 2005 Holden Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2011 Porsche 911 weights approximately 115 kg more than 2005 Holden 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 Holden 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 (650 Nm @ 1950 RPM) has 447 more torque (in Nm) than 2005 Holden Vectra. (203 Nm @ 4000 RPM). This means 2011 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Holden Vectra.
Compare all specifications:
| 2005 Holden Vectra | 2011 Porsche 911 | |
| Make | Holden | Porsche |
| Model | Vectra | 911 |
| Year Released | 2005 | 2011 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2198 cc | 3800 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 145 HP | 500 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 203 Nm | 650 Nm |
| Torque RPM | 4000 RPM | 1950 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1530 kg | 1645 kg |
| Vehicle Length | 4600 mm | 4478 mm |
| Vehicle Width | 1800 mm | 1852 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2710 mm | 2350 mm |
