1991 Opel Astra vs. 2001 Porsche 911
To start off, 2001 Porsche 911 is newer by 10 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), 2001 Porsche 911 is equipped with a bigger engine. In terms of performance, 2001 Porsche 911 (315 HP @ 6800 RPM) has 259 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM) In normal driving conditions, 2001 Porsche 911 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2001 Porsche 911 weights approximately 435 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 2001 Porsche 911 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, 2001 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, 2001 Porsche 911 (371 Nm @ 4250 RPM) has 266 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 2001 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1991 Opel Astra | 2001 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Astra | 911 |
| Year Released | 1991 | 2001 |
| Engine Position | Front | Rear |
| Engine Size | 1700 cc | 3596 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 56 HP | 315 HP |
| Engine RPM | 4600 RPM | 6800 RPM |
| Torque | 105 Nm | 371 Nm |
| Torque RPM | 2400 RPM | 4250 RPM |
| Engine Bore Size | 82.5 mm | 96 mm |
| Engine Stroke Size | 79.5 mm | 82.8 mm |
| Top Speed | 150 km/hour | 285 km/hour |
| Acceleration 0-100mph | 18.8 seconds | 5.2 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1050 kg | 1485 kg |
| Vehicle Length | 4060 mm | 4440 mm |
| Vehicle Width | 1670 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1320 mm |
| Wheelbase Size | 2530 mm | 2360 mm |
| Fuel Tank Capacity | 40 L | 64 L |
