1998 Opel Signum vs. 2005 Porsche Boxster
To start off, 2005 Porsche Boxster is newer by 7 year(s). Which means there will be less support and parts availability for 1998 Opel Signum. In addition, the cost of maintenance, including insurance, on 1998 Opel Signum would be higher. At 2,687 cc (6 cylinders), 2005 Porsche Boxster is equipped with a bigger engine. In terms of performance, 2005 Porsche Boxster (237 HP @ 6400 RPM) has 64 more horse power than 1998 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 2005 Porsche Boxster should accelerate faster than 1998 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1998 Opel Signum weights approximately 271 kg more than 2005 Porsche Boxster.
Because 2005 Porsche Boxster 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 2005 Porsche Boxster. However, in wet, icy, snow, or gravel driving conditions, 1998 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, 2005 Porsche Boxster (270 Nm @ 4700 RPM) has 85 more torque (in Nm) than 1998 Opel Signum. (185 Nm @ 2500 RPM). This means 2005 Porsche Boxster will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Signum.
Compare all specifications:
| 1998 Opel Signum | 2005 Porsche Boxster | |
| Make | Opel | Porsche |
| Model | Signum | Boxster |
| Year Released | 1998 | 2005 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 1910 cc | 2687 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 237 HP |
| Engine RPM | 5500 RPM | 6400 RPM |
| Torque | 185 Nm | 270 Nm |
| Torque RPM | 2500 RPM | 4700 RPM |
| Engine Bore Size | 86 mm | 85.5 mm |
| Engine Stroke Size | 86 mm | 78 mm |
| Engine Compression Ratio | 9.5:1 | 11.0:1 |
| Top Speed | 220 km/hour | 256 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1566 kg | 1295 kg |
| Vehicle Length | 4640 mm | 4340 mm |
| Vehicle Width | 1800 mm | 1810 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2840 mm | 2420 mm |
| Fuel Tank Capacity | 60 L | 64 L |
