1998 Opel Signum vs. 1991 Saab 9000
To start off, 1998 Opel Signum is newer by 7 year(s). Which means there will be less support and parts availability for 1991 Saab 9000. In addition, the cost of maintenance, including insurance, on 1991 Saab 9000 would be higher. At 2,290 cc (4 cylinders), 1991 Saab 9000 is equipped with a bigger engine. In terms of performance, 1991 Saab 9000 (200 HP @ 5000 RPM) has 52 more horse power than 1998 Opel Signum. (148 HP @ 4000 RPM) In normal driving conditions, 1991 Saab 9000 should accelerate faster than 1998 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1991 Saab 9000 weights approximately 609 kg more than 1998 Opel Signum. 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, 1991 Saab 9000 (323 Nm @ 2000 RPM) has 138 more torque (in Nm) than 1998 Opel Signum. (185 Nm @ 2000 RPM). This means 1991 Saab 9000 will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Signum.
Compare all specifications:
| 1998 Opel Signum | 1991 Saab 9000 | |
| Make | Opel | Saab |
| Model | Signum | 9000 |
| Year Released | 1998 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 2290 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 200 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 185 Nm | 323 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Engine Bore Size | 82 mm | 90 mm |
| Engine Stroke Size | 90.4 mm | 90 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 855 kg | 1464 kg |
| Vehicle Length | 4640 mm | 4770 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2530 mm | 2670 mm |
| Fuel Tank Capacity | 60 L | 66 L |
