1999 Holden Vectra vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Holden Vectra. In addition, the cost of maintenance, including insurance, on 1999 Holden Vectra would be higher. At 3,594 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (321 HP @ 6800 RPM) has 182 more horse power than 1999 Holden Vectra. (139 HP @ 5200 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 1999 Holden Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche 911 weights approximately 125 kg more than 1999 Holden Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Porsche 911 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 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 1999 Holden 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, 2007 Porsche 911 (370 Nm @ 4250 RPM) has 170 more torque (in Nm) than 1999 Holden Vectra. (200 Nm @ 4000 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1999 Holden Vectra.
Compare all specifications:
| 1999 Holden Vectra | 2007 Porsche 911 | |
| Make | Holden | Porsche |
| Model | Vectra | 911 |
| Year Released | 1999 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2198 cc | 3594 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 139 HP | 321 HP |
| Engine RPM | 5200 RPM | 6800 RPM |
| Torque | 200 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 4250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1300 kg | 1425 kg |
| Vehicle Length | 4500 mm | 4440 mm |
| Vehicle Width | 1710 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2650 mm | 2360 mm |
