1999 Porsche 996 vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Porsche 996. In addition, the cost of maintenance, including insurance, on 1999 Porsche 996 would be higher. At 3,387 cc (6 cylinders), 1999 Porsche 996 is equipped with a bigger engine. In terms of performance, 1999 Porsche 996 (296 HP @ 6800 RPM) has 121 more horse power than 2006 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 1999 Porsche 996 should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 295 kg more than 1999 Porsche 996.
Because 1999 Porsche 996 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Opel Signum. In wet, icy, snow, or gravel driving conditions, 1999 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, 2006 Opel Signum (370 Nm @ 1900 RPM) has 13 more torque (in Nm) than 1999 Porsche 996. (357 Nm @ 4600 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1999 Porsche 996. 2006 Opel Signum has automatic transmission and 1999 Porsche 996 has manual transmission. 1999 Porsche 996 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Porsche 996 | 2006 Opel Signum | |
| Make | Porsche | Opel |
| Model | 996 | Signum |
| Year Released | 1999 | 2006 |
| Body Type | Coupe | Hatchback |
| Engine Position | Rear | Front |
| Engine Size | 3387 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 296 HP | 175 HP |
| Engine RPM | 6800 RPM | 4000 RPM |
| Torque | 357 Nm | 370 Nm |
| Torque RPM | 4600 RPM | 1900 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1375 kg | 1670 kg |
| Vehicle Length | 4440 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2360 mm | 2840 mm |
