1971 Citroen DS vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 34 year(s). Which means there will be less support and parts availability for 1971 Citroen DS. In addition, the cost of maintenance, including insurance, on 1971 Citroen DS would be higher. At 2,958 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (175 HP @ 4000 RPM) has 77 more horse power than 1971 Citroen DS. (98 HP @ 5500 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 1971 Citroen DS. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 458 kg more than 1971 Citroen DS. 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, 2005 Opel Signum (370 Nm @ 1900 RPM) has 219 more torque (in Nm) than 1971 Citroen DS. (151 Nm @ 3500 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1971 Citroen DS.
Compare all specifications:
| 1971 Citroen DS | 2005 Opel Signum | |
| Make | Citroen | Opel |
| Model | DS | Signum |
| Year Released | 1971 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1985 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 98 HP | 175 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 151 Nm | 370 Nm |
| Torque RPM | 3500 RPM | 1900 RPM |
| Engine Bore Size | 86 mm | 87.5 mm |
| Engine Stroke Size | 85.5 mm | 82 mm |
| Engine Compression Ratio | 9.0:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1212 kg | 1670 kg |
| Vehicle Length | 4810 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1480 mm | 1470 mm |
| Wheelbase Size | 3130 mm | 2620 mm |
