2004 Opel Signum vs. 1991 Porsche 944
To start off, 2004 Opel Signum is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Porsche 944. In addition, the cost of maintenance, including insurance, on 1991 Porsche 944 would be higher. At 2,477 cc (4 cylinders), 1991 Porsche 944 is equipped with a bigger engine. In terms of performance, 1991 Porsche 944 (247 HP @ 5800 RPM) has 74 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 1991 Porsche 944 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 160 kg more than 1991 Porsche 944.
Because 1991 Porsche 944 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 1991 Porsche 944. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 1991 Porsche 944 (337 Nm @ 4000 RPM) has 72 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 1991 Porsche 944 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2004 Opel Signum | 1991 Porsche 944 | |
| Make | Opel | Porsche |
| Model | Signum | 944 |
| Year Released | 2004 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2477 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 173 HP | 247 HP |
| Engine RPM | 5500 RPM | 5800 RPM |
| Torque | 265 Nm | 337 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 100 mm |
| Engine Stroke Size | 86 mm | 78.9 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| 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 | 4240 mm |
| Vehicle Width | 1800 mm | 1740 mm |
| Vehicle Height | 1470 mm | 1280 mm |
| Wheelbase Size | 2840 mm | 2410 mm |
| Fuel Tank Capacity | 60 L | 80 L |
