2007 Alfa Romeo 156 vs. 1971 Citroen GS
To start off, 2007 Alfa Romeo 156 is newer by 36 year(s). Which means there will be less support and parts availability for 1971 Citroen GS. In addition, the cost of maintenance, including insurance, on 1971 Citroen GS would be higher. At 2,387 cc (5 cylinders), 2007 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo 156 (174 HP @ 4000 RPM) has 119 more horse power than 1971 Citroen GS. (55 HP @ 6500 RPM). In normal driving conditions, 2007 Alfa Romeo 156 should accelerate faster than 1971 Citroen GS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alfa Romeo 156 weights approximately 495 kg more than 1971 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 Alfa Romeo 156 (385 Nm @ 2000 RPM) has 313 more torque (in Nm) than 1971 Citroen GS. (72 Nm @ 3500 RPM). This means 2007 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1971 Citroen GS.
Compare all specifications:
| 2007 Alfa Romeo 156 | 1971 Citroen GS | |
| Make | Alfa Romeo | Citroen |
| Model | 156 | GS |
| Year Released | 2007 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1015 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 174 HP | 55 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 385 Nm | 72 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 82 mm | 74 mm |
| Engine Stroke Size | 90.4 mm | 59 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1385 kg | 890 kg |
| Vehicle Length | 4440 mm | 4130 mm |
| Vehicle Width | 1750 mm | 1620 mm |
| Vehicle Height | 1440 mm | 1360 mm |
| Wheelbase Size | 2600 mm | 2560 mm |
| Fuel Tank Capacity | 63 L | 43 L |
