1973 Citroen GS vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 30 year(s). Which means there will be less support and parts availability for 1973 Citroen GS. In addition, the cost of maintenance, including insurance, on 1973 Citroen GS would be higher. At 2,171 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (152 HP @ 5600 RPM) has 45 more horse power than 1973 Citroen GS. (107 HP @ 6500 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1973 Citroen GS. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 425 kg more than 1973 Citroen GS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2003 Opel Signum (220 Nm @ 3800 RPM) has 83 more torque (in Nm) than 1973 Citroen GS. (137 Nm @ 3000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1973 Citroen GS.
Compare all specifications:
| 1973 Citroen GS | 2003 Opel Signum | |
| Make | Citroen | Opel |
| Model | GS | Signum |
| Year Released | 1973 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 2171 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 107 HP | 152 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 137 Nm | 220 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Engine Compression Ratio | 9.0:1 | 12.0:1 |
| Top Speed | 175 km/hour | 206 km/hour |
| Acceleration 0-100mph | 14 seconds | 11 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1140 kg | 1565 kg |
| Vehicle Length | 4130 mm | 4640 mm |
| Vehicle Width | 1620 mm | 1800 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2570 mm | 2840 mm |
| Fuel Tank Capacity | 56 L | 60 L |
