2004 Opel Signum vs. 1976 Porsche 911
To start off, 2004 Opel Signum is newer by 28 year(s). Which means there will be less support and parts availability for 1976 Porsche 911. In addition, the cost of maintenance, including insurance, on 1976 Porsche 911 would be higher. At 2,994 cc (6 cylinders), 1976 Porsche 911 is equipped with a bigger engine. In terms of performance, 1976 Porsche 911 (200 HP @ 6000 RPM) has 27 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 1976 Porsche 911 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 400 kg more than 1976 Porsche 911.
Because 1976 Porsche 911 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 1976 Porsche 911. 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 5 more torque (in Nm) than 1976 Porsche 911. (260 Nm @ 4200 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1976 Porsche 911.
Compare all specifications:
| 2004 Opel Signum | 1976 Porsche 911 | |
| Make | Opel | Porsche |
| Model | Signum | 911 |
| Year Released | 2004 | 1976 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1995 cc | 2994 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 173 HP | 200 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 265 Nm | 260 Nm |
| Torque RPM | 2500 RPM | 4200 RPM |
| Engine Compression Ratio | 9.5:1 | 8.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1160 kg |
| Vehicle Length | 4640 mm | 4300 mm |
| Vehicle Width | 1800 mm | 1660 mm |
| Vehicle Height | 1470 mm | 1330 mm |
| Wheelbase Size | 2840 mm | 2280 mm |
| Fuel Tank Capacity | 60 L | 79 L |
