2009 Porsche Cayenne vs. 1979 Saab 900
To start off, 2009 Porsche Cayenne is newer by 30 year(s). Which means there will be less support and parts availability for 1979 Saab 900. In addition, the cost of maintenance, including insurance, on 1979 Saab 900 would be higher. At 4,806 cc (8 cylinders), 2009 Porsche Cayenne is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayenne (399 HP @ 6500 RPM) has 299 more horse power than 1979 Saab 900. (100 HP @ 5200 RPM). In normal driving conditions, 2009 Porsche Cayenne should accelerate faster than 1979 Saab 900. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche Cayenne weights approximately 150 kg more than 1979 Saab 900. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Porsche Cayenne is four wheel drive (4WD), it will have significant more traction and grip than 1979 Saab 900. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Porsche Cayenne (500 Nm @ 3500 RPM) has 338 more torque (in Nm) than 1979 Saab 900. (162 Nm @ 3500 RPM). This means 2009 Porsche Cayenne will have an easier job in driving up hills or pulling heavy equipment than 1979 Saab 900.
Compare all specifications:
| 2009 Porsche Cayenne | 1979 Saab 900 | |
| Make | Porsche | Saab |
| Model | Cayenne | 900 |
| Year Released | 2009 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 4806 cc | 1983 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 399 HP | 100 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 500 Nm | 162 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 96 mm | 90 mm |
| Engine Stroke Size | 83 mm | 78 mm |
| Engine Compression Ratio | 12.5:1 | 9.2:1 |
| Top Speed | 253 km/hour | 164 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1350 kg | 1200 kg |
| Vehicle Length | 4800 mm | 4750 mm |
| Vehicle Width | 1680 mm | 1700 mm |
| Vehicle Height | 1930 mm | 1430 mm |
| Wheelbase Size | 2860 mm | 2530 mm |
| Fuel Tank Capacity | 100 L | 58 L |
