2004 Opel Signum vs. 1989 Saab 900
To start off, 2004 Opel Signum is newer by 15 year(s). Which means there will be less support and parts availability for 1989 Saab 900. In addition, the cost of maintenance, including insurance, on 1989 Saab 900 would be higher. At 1,995 cc (4 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 73 more horse power than 1989 Saab 900. (100 HP @ 5200 RPM). In normal driving conditions, 2004 Opel Signum should accelerate faster than 1989 Saab 900. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 380 kg more than 1989 Saab 900. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 103 more torque (in Nm) than 1989 Saab 900. (162 Nm @ 3500 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1989 Saab 900.
Compare all specifications:
| 2004 Opel Signum | 1989 Saab 900 | |
| Make | Opel | Saab |
| Model | Signum | 900 |
| Year Released | 2004 | 1989 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1985 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 173 HP | 100 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 265 Nm | 162 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Engine Bore Size | 86 mm | 90.1 mm |
| Engine Stroke Size | 86 mm | 78 mm |
| Engine Compression Ratio | 9.5:1 | 9.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1560 kg | 1180 kg |
| Vehicle Length | 4640 mm | 4750 mm |
| Vehicle Width | 1800 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2530 mm |
