1999 Opel Signum vs. 2009 Porsche Cayman
To start off, 2009 Porsche Cayman is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Opel Signum. In addition, the cost of maintenance, including insurance, on 1999 Opel Signum would be higher. At 3,385 cc, 2009 Porsche Cayman is equipped with a bigger engine. In terms of performance, 2009 Porsche Cayman (291 HP @ 6250 RPM) has 143 more horse power than 1999 Opel Signum. (148 HP @ 4000 RPM) In normal driving conditions, 2009 Porsche Cayman should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche Cayman weights approximately 444 kg more than 1999 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 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 2009 Porsche Cayman. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 2009 Porsche Cayman (340 Nm @ 4600 RPM) has 70 more torque (in Nm) than 1999 Opel Signum. (270 Nm @ 2000 RPM). This means 2009 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum. 2009 Porsche Cayman has automatic transmission and 1999 Opel Signum has manual transmission. 1999 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Porsche Cayman will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Opel Signum | 2009 Porsche Cayman | |
| Make | Opel | Porsche |
| Model | Signum | Cayman |
| Year Released | 1999 | 2009 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 1998 cc | 3385 cc |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 291 HP |
| Engine RPM | 4000 RPM | 6250 RPM |
| Torque | 270 Nm | 340 Nm |
| Torque RPM | 2000 RPM | 4600 RPM |
| Engine Bore Size | 82 mm | 96.3 mm |
| Engine Stroke Size | 90.4 mm | 78.3 mm |
| Engine Compression Ratio | 18.0:1 | 11.1:1 |
| Acceleration 0-100mph | 10.5 seconds | 6.1 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1086 kg | 1530 kg |
| Vehicle Length | 4640 mm | 4350 mm |
| Vehicle Width | 1800 mm | 1310 mm |
| Vehicle Height | 1470 mm | 1810 mm |
| Wheelbase Size | 2580 mm | 2420 mm |
| Fuel Tank Capacity | 60 L | 64 L |
