2003 Opel Signum vs. 1998 Porsche 993
To start off, 2003 Opel Signum is newer by 5 year(s). Which means there will be less support and parts availability for 1998 Porsche 993. In addition, the cost of maintenance, including insurance, on 1998 Porsche 993 would be higher. At 3,598 cc (6 cylinders), 1998 Porsche 993 is equipped with a bigger engine. In terms of performance, 1998 Porsche 993 (395 HP @ 5750 RPM) has 251 more horse power than 2003 Opel Signum. (144 HP @ 6000 RPM) In normal driving conditions, 1998 Porsche 993 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 186 kg more than 1998 Porsche 993.
Because 1998 Porsche 993 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Signum. In wet, icy, snow, or gravel driving conditions, 1998 Porsche 993 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, 1998 Porsche 993 (542 Nm @ 4500 RPM) has 302 more torque (in Nm) than 2003 Opel Signum. (240 Nm @ 3800 RPM). This means 1998 Porsche 993 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2003 Opel Signum | 1998 Porsche 993 | |
| Make | Opel | Porsche |
| Model | Signum | 993 |
| Year Released | 2003 | 1998 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2198 cc | 3598 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 144 HP | 395 HP |
| Engine RPM | 6000 RPM | 5750 RPM |
| Torque | 240 Nm | 542 Nm |
| Torque RPM | 3800 RPM | 4500 RPM |
| Engine Bore Size | 86 mm | 100 mm |
| Engine Stroke Size | 94.6 mm | 76.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1686 kg | 1500 kg |
| Vehicle Length | 4640 mm | 4270 mm |
| Vehicle Width | 1800 mm | 1740 mm |
| Vehicle Height | 1470 mm | 1320 mm |
| Wheelbase Size | 2640 mm | 2280 mm |
