2003 Opel Signum vs. 2007 Saab 03-Sep
To start off, 2007 Saab 03-Sep is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 2,172 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Saab 03-Sep (148 HP @ 5500 RPM) has 33 more horse power than 2003 Opel Signum. (115 HP @ 3000 RPM) In normal driving conditions, 2007 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 25 kg more than 2007 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, 2003 Opel Signum (280 Nm @ 1500 RPM) has 40 more torque (in Nm) than 2007 Saab 03-Sep. (240 Nm @ 2500 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2007 Saab 03-Sep.
Compare all specifications:
| 2003 Opel Signum | 2007 Saab 03-Sep | |
| Make | Opel | Saab |
| Model | Signum | 03-Sep |
| Year Released | 2003 | 2007 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2172 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 115 HP | 148 HP |
| Engine RPM | 3000 RPM | 5500 RPM |
| Torque | 280 Nm | 240 Nm |
| Torque RPM | 1500 RPM | 2500 RPM |
| Engine Bore Size | 84.1 mm | 86 mm |
| Engine Stroke Size | 98 mm | 86 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1535 kg | 1510 kg |
| Vehicle Length | 4640 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2840 mm | 2680 mm |
