2005 Alfa Romeo 156 vs. 1971 Citroen DS
To start off, 2005 Alfa Romeo 156 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 1,985 cc (4 cylinders), 1971 Citroen DS is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (164 HP @ 6400 RPM) has 66 more horse power than 1971 Citroen DS. (98 HP @ 5500 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 1971 Citroen DS. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 198 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 Alfa Romeo 156 (206 Nm @ 3250 RPM) has 55 more torque (in Nm) than 1971 Citroen DS. (151 Nm @ 3500 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1971 Citroen DS.
Compare all specifications:
| 2005 Alfa Romeo 156 | 1971 Citroen DS | |
| Make | Alfa Romeo | Citroen |
| Model | 156 | DS |
| Year Released | 2005 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1985 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 164 HP | 98 HP |
| Engine RPM | 6400 RPM | 5500 RPM |
| Torque | 206 Nm | 151 Nm |
| Torque RPM | 3250 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 86 mm |
| Engine Stroke Size | 91 mm | 85.5 mm |
| Engine Compression Ratio | 11.3:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1410 kg | 1212 kg |
| Vehicle Length | 4450 mm | 4810 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1480 mm |
| Wheelbase Size | 2550 mm | 3130 mm |
