1974 Citroen GS vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 33 year(s). Which means there will be less support and parts availability for 1974 Citroen GS. In addition, the cost of maintenance, including insurance, on 1974 Citroen GS would be higher. At 3,173 cc (6 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Opel Signum (208 HP @ 6200 RPM) has 150 more horse power than 1974 Citroen GS. (58 HP @ 5750 RPM) In normal driving conditions, 2007 Opel Signum should accelerate faster than 1974 Citroen GS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 680 kg more than 1974 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, 2007 Opel Signum (300 Nm @ 4000 RPM) has 212 more torque (in Nm) than 1974 Citroen GS. (88 Nm @ 3250 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1974 Citroen GS.
Compare all specifications:
| 1974 Citroen GS | 2007 Opel Signum | |
| Make | Citroen | Opel |
| Model | GS | Signum |
| Year Released | 1974 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1222 cc | 3173 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | boxer | V |
| Horse Power | 58 HP | 208 HP |
| Engine RPM | 5750 RPM | 6200 RPM |
| Torque | 88 Nm | 300 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Engine Bore Size | 77 mm | 87.5 mm |
| Engine Stroke Size | 65.6 mm | 88 mm |
| Top Speed | 151 km/hour | 237 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 930 kg | 1610 kg |
| Vehicle Length | 4130 mm | 4640 mm |
| Vehicle Width | 1610 mm | 1800 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 2560 mm | 2840 mm |
| Fuel Tank Capacity | 43 L | 60 L |
