2006 Porsche Carrera GT vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Porsche Carrera GT. In addition, the cost of maintenance, including insurance, on 2006 Porsche Carrera GT would be higher. At 5,733 cc (10 cylinders), 2006 Porsche Carrera GT is equipped with a bigger engine. In terms of performance, 2006 Porsche Carrera GT (604 HP @ 8000 RPM) has 396 more horse power than 2007 Opel Signum. (208 HP @ 6200 RPM). In normal driving conditions, 2006 Porsche Carrera GT should accelerate faster than 2007 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 230 kg more than 2006 Porsche Carrera GT.
Because 2006 Porsche Carrera GT is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 Porsche Carrera GT. However, in wet, icy, snow, or gravel driving conditions, 2007 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. 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 Porsche Carrera GT (590 Nm @ 5750 RPM) has 290 more torque (in Nm) than 2007 Opel Signum. (300 Nm @ 4000 RPM). This means 2006 Porsche Carrera GT will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Signum. 2007 Opel Signum has automatic transmission and 2006 Porsche Carrera GT has manual transmission. 2006 Porsche Carrera GT will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Porsche Carrera GT | 2007 Opel Signum | |
| Make | Porsche | Opel |
| Model | Carrera GT | Signum |
| Year Released | 2006 | 2007 |
| Body Type | Roadster | Hatchback |
| Engine Position | Middle | Front |
| Engine Size | 5733 cc | 3173 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 604 HP | 208 HP |
| Engine RPM | 8000 RPM | 6200 RPM |
| Torque | 590 Nm | 300 Nm |
| Torque RPM | 5750 RPM | 4000 RPM |
| Engine Bore Size | 98.1 mm | 87.5 mm |
| Engine Stroke Size | 76 mm | 88 mm |
| Engine Compression Ratio | 12.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 3.9 seconds | 7.9 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1380 kg | 1610 kg |
| Vehicle Length | 4620 mm | 4640 mm |
| Vehicle Width | 1930 mm | 1800 mm |
| Vehicle Height | 1170 mm | 1470 mm |
| Wheelbase Size | 2740 mm | 2840 mm |
| Fuel Consumption Overall | 17.9 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 92 L | 60 L |
