2007 Opel Signum vs. 1992 Porsche 928
To start off, 2007 Opel Signum is newer by 15 year(s). Which means there will be less support and parts availability for 1992 Porsche 928. In addition, the cost of maintenance, including insurance, on 1992 Porsche 928 would be higher. At 4,664 cc (8 cylinders), 1992 Porsche 928 is equipped with a bigger engine. In terms of performance, 1992 Porsche 928 (306 HP @ 5900 RPM) has 131 more horse power than 2007 Opel Signum. (175 HP @ 4000 RPM) In normal driving conditions, 1992 Porsche 928 should accelerate faster than 2007 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 140 kg more than 1992 Porsche 928.
Because 1992 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 1992 Porsche 928. 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, 1992 Porsche 928 (408 Nm @ 4100 RPM) has 38 more torque (in Nm) than 2007 Opel Signum. (370 Nm @ 1900 RPM). This means 1992 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Signum.
Compare all specifications:
| 2007 Opel Signum | 1992 Porsche 928 | |
| Make | Opel | Porsche |
| Model | Signum | 928 |
| Year Released | 2007 | 1992 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 4664 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 175 HP | 306 HP |
| Engine RPM | 4000 RPM | 5900 RPM |
| Torque | 370 Nm | 408 Nm |
| Torque RPM | 1900 RPM | 4100 RPM |
| Engine Bore Size | 87.5 mm | 97 mm |
| Engine Stroke Size | 82 mm | 78.9 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1670 kg | 1530 kg |
| Vehicle Length | 4640 mm | 4450 mm |
| Vehicle Width | 1800 mm | 1840 mm |
| Vehicle Height | 1470 mm | 1290 mm |
| Wheelbase Size | 2840 mm | 2510 mm |
| Fuel Tank Capacity | 60 L | 76 L |
