1991 Opel Astra vs. 2004 Porsche 996
To start off, 2004 Porsche 996 is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Opel Astra. In addition, the cost of maintenance, including insurance, on 1991 Opel Astra would be higher. At 3,596 cc (6 cylinders), 2004 Porsche 996 is equipped with a bigger engine. In terms of performance, 2004 Porsche 996 (317 HP @ 6800 RPM) has 258 more horse power than 1991 Opel Astra. (59 HP @ 5200 RPM) In normal driving conditions, 2004 Porsche 996 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Porsche 996 weights approximately 528 kg more than 1991 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Porsche 996 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2004 Porsche 996 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, 2004 Porsche 996 (370 Nm @ 4250 RPM) has 266 more torque (in Nm) than 1991 Opel Astra. (104 Nm @ 2800 RPM). This means 2004 Porsche 996 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1991 Opel Astra | 2004 Porsche 996 | |
| Make | Opel | Porsche |
| Model | Astra | 996 |
| Year Released | 1991 | 2004 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1389 cc | 3596 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 59 HP | 317 HP |
| Engine RPM | 5200 RPM | 6800 RPM |
| Torque | 104 Nm | 370 Nm |
| Torque RPM | 2800 RPM | 4250 RPM |
| Engine Bore Size | 77.6 mm | 96 mm |
| Engine Stroke Size | 73.4 mm | 82.8 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 960 kg | 1488 kg |
| Vehicle Length | 4250 mm | 4440 mm |
| Vehicle Width | 1690 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2610 mm | 2360 mm |
