1991 Opel Astra vs. 2005 Porsche Cayenne
To start off, 2005 Porsche Cayenne is newer by 14 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 4,507 cc (8 cylinders), 2005 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2005 Porsche Cayenne (451 HP @ 6000 RPM) has 351 more horse power than 1991 Opel Astra. (100 HP @ 5600 RPM) In normal driving conditions, 2005 Porsche Cayenne should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche Cayenne weights approximately 1370 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 2005 Porsche Cayenne 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, 2005 Porsche Cayenne 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, 2005 Porsche Cayenne (624 Nm @ 2250 RPM) has 489 more torque (in Nm) than 1991 Opel Astra. (135 Nm @ 3400 RPM). This means 2005 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1991 Opel Astra | 2005 Porsche Cayenne | |
| Make | Opel | Porsche |
| Model | Astra | Cayenne |
| Year Released | 1991 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 4507 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 100 HP | 451 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 135 Nm | 624 Nm |
| Torque RPM | 3400 RPM | 2250 RPM |
| Engine Compression Ratio | 9.8:1 | 9.5:1 |
| Top Speed | 173 km/hour | 266 km/hour |
| Acceleration 0-100mph | 13.1 seconds | 5.6 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1060 kg | 2430 kg |
| Vehicle Length | 4250 mm | 4790 mm |
| Vehicle Width | 1690 mm | 1930 mm |
| Vehicle Height | 1430 mm | 1710 mm |
| Wheelbase Size | 2530 mm | 2860 mm |
