1990 BMW 520 vs. 1985 Saab 900
To start off, 1990 BMW 520 is newer by 5 year(s). Which means there will be less support and parts availability for 1985 Saab 900. In addition, the cost of maintenance, including insurance, on 1985 Saab 900 would be higher. At 1,991 cc (6 cylinders), 1990 BMW 520 is equipped with a bigger engine. In terms of performance, 1990 BMW 520 (145 HP @ 5900 RPM) has 45 more horse power than 1985 Saab 900. (100 HP @ 5200 RPM). In normal driving conditions, 1990 BMW 520 should accelerate faster than 1985 Saab 900. With that said, vehicle weight also plays an important factor in acceleration. 1990 BMW 520 weights approximately 362 kg more than 1985 Saab 900. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 BMW 520 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1990 BMW 520. However, in wet, icy, snow, or gravel driving conditions, 1985 Saab 900, being front wheel drive (FWD), will offer much better control with better grip. 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, 1990 BMW 520 (186 Nm @ 4700 RPM) has 24 more torque (in Nm) than 1985 Saab 900. (162 Nm @ 3500 RPM). This means 1990 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1985 Saab 900.
Compare all specifications:
| 1990 BMW 520 | 1985 Saab 900 | |
| Make | BMW | Saab |
| Model | 520 | 900 |
| Year Released | 1990 | 1985 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1985 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 145 HP | 100 HP |
| Engine RPM | 5900 RPM | 5200 RPM |
| Torque | 186 Nm | 162 Nm |
| Torque RPM | 4700 RPM | 3500 RPM |
| Engine Bore Size | 80 mm | 90 mm |
| Engine Stroke Size | 66 mm | 78 mm |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1542 kg | 1180 kg |
| Vehicle Length | 4730 mm | 4750 mm |
| Vehicle Width | 1760 mm | 1700 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2530 mm |
