1999 Opel Signum vs. 2005 Saab 05-Sep
To start off, 2005 Saab 05-Sep is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Opel Signum. In addition, the cost of maintenance, including insurance, on 1999 Opel Signum would be higher. At 2,290 cc (4 cylinders), 2005 Saab 05-Sep is equipped with a bigger engine. In terms of performance, 2005 Saab 05-Sep (182 HP @ 5500 RPM) has 83 more horse power than 1999 Opel Signum. (99 HP @ 3120 RPM) In normal driving conditions, 2005 Saab 05-Sep should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Saab 05-Sep weights approximately 1 kg more than 1999 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, 2005 Saab 05-Sep (280 Nm @ 1800 RPM) has 40 more torque (in Nm) than 1999 Opel Signum. (240 Nm @ 1500 RPM). This means 2005 Saab 05-Sep will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum. 2005 Saab 05-Sep has automatic transmission and 1999 Opel Signum has manual transmission. 1999 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Saab 05-Sep will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Opel Signum | 2005 Saab 05-Sep | |
| Make | Opel | Saab |
| Model | Signum | 05-Sep |
| Year Released | 1999 | 2005 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2290 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 99 HP | 182 HP |
| Engine RPM | 3120 RPM | 5500 RPM |
| Torque | 240 Nm | 280 Nm |
| Torque RPM | 1500 RPM | 1800 RPM |
| Engine Bore Size | 84 mm | 90 mm |
| Engine Stroke Size | 90 mm | 90 mm |
| Engine Compression Ratio | 18.5:1 | 9.3:1 |
| Top Speed | 185 km/hour | 215 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1595 kg | 1596 kg |
| Vehicle Length | 4640 mm | 4830 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2840 mm | 2680 mm |
| Fuel Tank Capacity | 60 L | 75 L |
