2008 Opel Signum vs. 1990 Saab 9000
To start off, 2008 Opel Signum is newer by 18 year(s). Which means there will be less support and parts availability for 1990 Saab 9000. In addition, the cost of maintenance, including insurance, on 1990 Saab 9000 would be higher. At 2,957 cc (6 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (175 HP @ 4000 RPM) has 40 more horse power than 1990 Saab 9000. (135 HP @ 5500 RPM). In normal driving conditions, 2008 Opel Signum should accelerate faster than 1990 Saab 9000. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 365 kg more than 1990 Saab 9000. 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, 2008 Opel Signum (370 Nm @ 1900 RPM) has 198 more torque (in Nm) than 1990 Saab 9000. (172 Nm @ 3000 RPM). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1990 Saab 9000.
Compare all specifications:
| 2008 Opel Signum | 1990 Saab 9000 | |
| Make | Opel | Saab |
| Model | Signum | 9000 |
| Year Released | 2008 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2957 cc | 1985 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 135 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 370 Nm | 172 Nm |
| Torque RPM | 1900 RPM | 3000 RPM |
| Engine Bore Size | 87.5 mm | 90 mm |
| Engine Stroke Size | 82 mm | 78 mm |
| Engine Compression Ratio | 18.5:1 | 10.1:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 221 km/hour | 192 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1670 kg | 1305 kg |
| Vehicle Length | 4640 mm | 4630 mm |
| Vehicle Width | 1800 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2720 mm |
| Fuel Tank Capacity | 60 L | 54 L |
