1973 Porsche 911 vs. 1999 Holden Astra
To start off, 1999 Holden Astra is newer by 26 year(s). Which means there will be less support and parts availability for 1973 Porsche 911. In addition, the cost of maintenance, including insurance, on 1973 Porsche 911 would be higher. At 2,994 cc (6 cylinders), 1973 Porsche 911 is equipped with a bigger engine. In terms of performance, 1973 Porsche 911 (226 HP @ 6200 RPM) has 106 more horse power than 1999 Holden Astra. (120 HP @ 5600 RPM). In normal driving conditions, 1973 Porsche 911 should accelerate faster than 1999 Holden Astra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Holden Astra weights approximately 250 kg more than 1973 Porsche 911.
Because 1973 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 1973 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 1999 Holden Astra, 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, 1973 Porsche 911 (275 Nm @ 5000 RPM) has 110 more torque (in Nm) than 1999 Holden Astra. (165 Nm @ 3600 RPM). This means 1973 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 1973 Porsche 911 has manual transmission. 1973 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:
| 1973 Porsche 911 | 1999 Holden Astra | |
| Make | Porsche | Holden |
| Model | 911 | Astra |
| Year Released | 1973 | 1999 |
| Body Type | Coupe | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 2994 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 226 HP | 120 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 275 Nm | 165 Nm |
| Torque RPM | 5000 RPM | 3600 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 900 kg | 1150 kg |
| Vehicle Length | 4130 mm | 4260 mm |
| Vehicle Width | 1690 mm | 1720 mm |
| Vehicle Height | 1330 mm | 1430 mm |
| Wheelbase Size | 2270 mm | 2610 mm |
