2003 Opel Signum vs. 2004 Xedos 9
To start off, 2004 Xedos 9 is newer by 1 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 2,497 cc (6 cylinders), 2004 Xedos 9 is equipped with a bigger engine. In terms of performance, 2004 Xedos 9 (161 HP @ 6000 RPM) has 17 more horse power than 2003 Opel Signum. (144 HP @ 6000 RPM) In normal driving conditions, 2004 Xedos 9 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 101 kg more than 2004 Xedos 9.
Let's talk about torque, 2003 Opel Signum (240 Nm @ 3800 RPM) has 28 more torque (in Nm) than 2004 Xedos 9. (212 Nm @ 4900 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2004 Xedos 9.
Compare all specifications:
| 2003 Opel Signum | 2004 Xedos 9 | |
| Make | Opel | Xedos |
| Model | Signum | 9 |
| Year Released | 2003 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 144 HP | 161 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 240 Nm | 212 Nm |
| Torque RPM | 3800 RPM | 4900 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1686 kg | 1585 kg |
| Vehicle Length | 4640 mm | 4880 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2640 mm | 2760 mm |
