2007 Opel Signum vs. 2008 Porsche Cayman
To start off, 2008 Porsche Cayman is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Opel Signum. In addition, the cost of maintenance, including insurance, on 2007 Opel Signum would be higher. At 2,687 cc (6 cylinders), 2008 Porsche Cayman is equipped with a bigger engine. In terms of performance, 2008 Porsche Cayman (242 HP @ 6000 RPM) has 89 more horse power than 2007 Opel Signum. (153 HP @ 5600 RPM) In normal driving conditions, 2008 Porsche Cayman should accelerate faster than 2007 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 235 kg more than 2008 Porsche Cayman.
Because 2008 Porsche Cayman 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 2008 Porsche Cayman. 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, 2008 Porsche Cayman (273 Nm @ 4200 RPM) has 53 more torque (in Nm) than 2007 Opel Signum. (220 Nm @ 3800 RPM). This means 2008 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Signum.
Compare all specifications:
| 2007 Opel Signum | 2008 Porsche Cayman | |
| Make | Opel | Porsche |
| Model | Signum | Cayman |
| Year Released | 2007 | 2008 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2196 cc | 2687 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 242 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 220 Nm | 273 Nm |
| Torque RPM | 3800 RPM | 4200 RPM |
| Engine Compression Ratio | 12.0:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 211 km/hour | 253 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 6.1 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1535 kg | 1300 kg |
| Vehicle Length | 4640 mm | 4350 mm |
| Vehicle Width | 1800 mm | 1810 mm |
| Vehicle Height | 1470 mm | 1310 mm |
| Wheelbase Size | 2840 mm | 2420 mm |
| Fuel Consumption Overall | 8.1 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 60 L | 64 L |
