2005 BMW X5 vs. 1979 Saab 900
To start off, 2005 BMW X5 is newer by 26 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 2,926 cc (6 cylinders), 2005 BMW X5 is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (215 HP @ 4000 RPM) has 115 more horse power than 1979 Saab 900. (100 HP @ 5200 RPM). In normal driving conditions, 2005 BMW X5 should accelerate faster than 1979 Saab 900. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 970 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 2005 BMW X5 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, 2005 BMW X5 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 BMW X5 (520 Nm @ 2000 RPM) has 358 more torque (in Nm) than 1979 Saab 900. (162 Nm @ 3500 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1979 Saab 900.
Compare all specifications:
| 2005 BMW X5 | 1979 Saab 900 | |
| Make | BMW | Saab |
| Model | X5 | 900 |
| Year Released | 2005 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 1983 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 100 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 520 Nm | 162 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 90 mm |
| Engine Stroke Size | 90 mm | 78 mm |
| Engine Compression Ratio | 18.0:1 | 9.2:1 |
| Top Speed | 210 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 | 2170 kg | 1200 kg |
| Vehicle Length | 4670 mm | 4750 mm |
| Vehicle Width | 1880 mm | 1700 mm |
| Vehicle Height | 1720 mm | 1430 mm |
| Wheelbase Size | 2830 mm | 2530 mm |
| Fuel Tank Capacity | 93 L | 58 L |
