2003 Opel Signum vs. 2003 Saab 03-Sep
To start off, both 2003 Opel Signum and 2003 Saab 03-Sep were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Saab 03-Sep (250 HP @ 5500 RPM) has 75 more horse power than 2003 Opel Signum. (175 HP @ 4000 RPM) In normal driving conditions, 2003 Saab 03-Sep should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 5 kg more than 2003 Saab 03-Sep.
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, both vehicles can yield 370 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2003 Opel Signum | 2003 Saab 03-Sep | |
| Make | Opel | Saab |
| Model | Signum | 03-Sep |
| Year Released | 2003 | 2003 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 250 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 370 Nm | 370 Nm |
| Torque RPM | 1900 RPM | 2700 RPM |
| Engine Bore Size | 87.5 mm | 86 mm |
| Engine Stroke Size | 82 mm | 86 mm |
| Engine Compression Ratio | 18.5:1 | 9.5:1 |
| Top Speed | 221 km/hour | 250 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1670 kg | 1665 kg |
| Vehicle Length | 4640 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2700 mm | 2610 mm |
| Fuel Consumption Overall | 7.4 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 60 L | 61 L |
