2009 Porsche 911 vs. 1999 Holden Astra
To start off, 2009 Porsche 911 is newer by 10 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 3,600 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (341 HP @ 6500 RPM) has 221 more horse power than 1999 Holden Astra. (120 HP @ 5600 RPM). In normal driving conditions, 2009 Porsche 911 should accelerate faster than 1999 Holden Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 380 kg more than 1999 Holden Astra. 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 1999 Holden Astra. 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 (288 Nm @ 4400 RPM) has 123 more torque (in Nm) than 1999 Holden Astra. (165 Nm @ 3600 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1999 Holden Astra. 1999 Holden Astra has automatic transmission and 2009 Porsche 911 has manual transmission. 2009 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Holden Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Porsche 911 | 1999 Holden Astra | |
| Make | Porsche | Holden |
| Model | 911 | Astra |
| Year Released | 2009 | 1999 |
| Body Type | Coupe | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 3600 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 341 HP | 120 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 288 Nm | 165 Nm |
| Torque RPM | 4400 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1530 kg | 1150 kg |
| Vehicle Length | 4430 mm | 4260 mm |
| Vehicle Width | 1310 mm | 1720 mm |
| Vehicle Height | 1860 mm | 1430 mm |
| Wheelbase Size | 2360 mm | 2610 mm |
