1998 Opel Astra vs. 2006 Porsche 911
To start off, 2006 Porsche 911 is newer by 8 year(s). Which means there will be less support and parts availability for 1998 Opel Astra. In addition, the cost of maintenance, including insurance, on 1998 Opel Astra would be higher. At 3,824 cc (6 cylinders), 2006 Porsche 911 is equipped with a bigger engine. In terms of performance, 2006 Porsche 911 (350 HP @ 6600 RPM) has 261 more horse power than 1998 Opel Astra. (89 HP @ 6000 RPM) In normal driving conditions, 2006 Porsche 911 should accelerate faster than 1998 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Porsche 911 weights approximately 410 kg more than 1998 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1998 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Porsche 911 (400 Nm @ 4600 RPM) has 275 more torque (in Nm) than 1998 Opel Astra. (125 Nm @ 4000 RPM). This means 2006 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Astra.
Compare all specifications:
| 1998 Opel Astra | 2006 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Astra | 911 |
| Year Released | 1998 | 2006 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1389 cc | 3824 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 89 HP | 350 HP |
| Engine RPM | 6000 RPM | 6600 RPM |
| Torque | 125 Nm | 400 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Engine Bore Size | 77.6 mm | 99 mm |
| Engine Stroke Size | 73.4 mm | 82.8 mm |
| Engine Compression Ratio | 10.5:1 | 11.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1150 kg | 1560 kg |
| Vehicle Length | 4250 mm | 4430 mm |
| Vehicle Width | 1690 mm | 1860 mm |
| Vehicle Height | 1410 mm | 1310 mm |
| Wheelbase Size | 2620 mm | 2360 mm |
