2004 Opel Signum vs. 2005 Porsche 996
To start off, 2005 Porsche 996 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 3,596 cc (6 cylinders), 2005 Porsche 996 is equipped with a bigger engine. In terms of performance, 2005 Porsche 996 (317 HP @ 6800 RPM) has 144 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 2005 Porsche 996 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 155 kg more than 2005 Porsche 996.
Because 2005 Porsche 996 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2005 Porsche 996 will offer significantly more control. 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 Porsche 996 (370 Nm @ 4250 RPM) has 105 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2005 Porsche 996 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2004 Opel Signum | 2005 Porsche 996 | |
| Make | Opel | Porsche |
| Model | Signum | 996 |
| Year Released | 2004 | 2005 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1995 cc | 3596 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 317 HP |
| Engine RPM | 5500 RPM | 6800 RPM |
| Torque | 265 Nm | 370 Nm |
| Torque RPM | 2500 RPM | 4250 RPM |
| Engine Bore Size | 86 mm | 96 mm |
| Engine Stroke Size | 86 mm | 82.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1405 kg |
| Vehicle Length | 4640 mm | 4440 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1310 mm |
| Wheelbase Size | 2840 mm | 2360 mm |
| Fuel Tank Capacity | 60 L | 64 L |
