2003 Saab 03-Sep vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Saab 03-Sep. In addition, the cost of maintenance, including insurance, on 2003 Saab 03-Sep would be higher. At 3,175 cc (6 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (208 HP @ 6200 RPM) has 60 more horse power than 2003 Saab 03-Sep. (148 HP @ 5500 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 2003 Saab 03-Sep. With that said, vehicle weight also plays an important factor in acceleration. 2003 Saab 03-Sep weights approximately 60 kg more than 2004 Opel Signum.
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 (300 Nm @ 4000 RPM) has 60 more torque (in Nm) than 2003 Saab 03-Sep. (240 Nm @ 1800 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2003 Saab 03-Sep.
Compare all specifications:
| 2003 Saab 03-Sep | 2004 Opel Signum | |
| Make | Saab | Opel |
| Model | 03-Sep | Signum |
| Year Released | 2003 | 2004 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 208 HP |
| Engine RPM | 5500 RPM | 6200 RPM |
| Torque | 240 Nm | 300 Nm |
| Torque RPM | 1800 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 87.5 mm |
| Engine Stroke Size | 86 mm | 88 mm |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1655 kg | 1595 kg |
| Vehicle Length | 4640 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2680 mm | 2740 mm |
| Fuel Tank Capacity | 61 L | 52 L |
