2005 Opel Signum vs. 1995 Porsche 928
To start off, 2005 Opel Signum is newer by 10 year(s). Which means there will be less support and parts availability for 1995 Porsche 928. In addition, the cost of maintenance, including insurance, on 1995 Porsche 928 would be higher. At 5,395 cc (8 cylinders), 1995 Porsche 928 is equipped with a bigger engine. In terms of performance, 1995 Porsche 928 (345 HP) has 172 more horse power than 2005 Opel Signum. (173 HP) In normal driving conditions, 1995 Porsche 928 should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 160 kg more than 1995 Porsche 928.
Because 1995 Porsche 928 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 1995 Porsche 928. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 1995 Porsche 928 (500 Nm) has 235 more torque (in Nm) than 2005 Opel Signum. (265 Nm). This means 1995 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum.
Compare all specifications:
| 2005 Opel Signum | 1995 Porsche 928 | |
| Make | Opel | Porsche |
| Model | Signum | 928 |
| Year Released | 2005 | 1995 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1908 cc | 5395 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 345 HP |
| Torque | 265 Nm | 500 Nm |
| Engine Bore Size | 86 mm | 100.1 mm |
| Engine Stroke Size | 86 mm | 87.1 mm |
| Engine Compression Ratio | 9.5:1 | 10.4:1 |
| Top Speed | 220 km/hour | 275 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 | 1560 kg | 1400 kg |
| Vehicle Length | 4640 mm | 4530 mm |
| Vehicle Width | 1800 mm | 1890 mm |
| Vehicle Height | 1470 mm | 1280 mm |
| Wheelbase Size | 2620 mm | 2500 mm |
