1999 Holden Astra 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 Astra. In addition, the cost of maintenance, including insurance, on 1999 Holden Astra would be higher. At 3,605 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (481 HP @ 6000 RPM) has 361 more horse power than 1999 Holden Astra. (120 HP @ 5600 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 1999 Holden Astra.
Because 2007 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1999 Holden Astra. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Porsche 911 (624 Nm @ 1950 RPM) has 459 more torque (in Nm) than 1999 Holden Astra. (165 Nm @ 3600 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1999 Holden Astra.
Compare all specifications:
| 1999 Holden Astra | 2007 Porsche 911 | |
| Make | Holden | Porsche |
| Model | Astra | 911 |
| Year Released | 1999 | 2007 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1796 cc | 3605 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 481 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 165 Nm | 624 Nm |
| Torque RPM | 3600 RPM | 1950 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Length | 4120 mm | 4460 mm |
| Vehicle Width | 1720 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2610 mm | 2360 mm |
