1977 Citroen GS vs. 1972 Porsche 911
To start off, 1977 Citroen GS is newer by 5 year(s). Which means there will be less support and parts availability for 1972 Porsche 911. In addition, the cost of maintenance, including insurance, on 1972 Porsche 911 would be higher. At 2,339 cc (6 cylinders), 1972 Porsche 911 is equipped with a bigger engine. In terms of performance, 1972 Porsche 911 (165 HP @ 6200 RPM) has 110 more horse power than 1977 Citroen GS. (55 HP @ 6500 RPM) In normal driving conditions, 1972 Porsche 911 should accelerate faster than 1977 Citroen GS. With that said, vehicle weight also plays an important factor in acceleration. 1972 Porsche 911 weights approximately 187 kg more than 1977 Citroen GS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1972 Porsche 911 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1972 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 1977 Citroen GS, being front wheel drive (FWD), will offer much better control with better grip. 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, 1972 Porsche 911 (206 Nm @ 4500 RPM) has 134 more torque (in Nm) than 1977 Citroen GS. (72 Nm @ 3500 RPM). This means 1972 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1977 Citroen GS.
Compare all specifications:
| 1977 Citroen GS | 1972 Porsche 911 | |
| Make | Citroen | Porsche |
| Model | GS | 911 |
| Year Released | 1977 | 1972 |
| Engine Position | Front | Rear |
| Engine Size | 1015 cc | 2339 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | boxer | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 55 HP | 165 HP |
| Engine RPM | 6500 RPM | 6200 RPM |
| Torque | 72 Nm | 206 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 74 mm | 84 mm |
| Engine Stroke Size | 59 mm | 70.4 mm |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 890 kg | 1077 kg |
| Vehicle Length | 4130 mm | 4150 mm |
| Vehicle Width | 1620 mm | 1620 mm |
| Vehicle Height | 1360 mm | 1330 mm |
| Wheelbase Size | 2560 mm | 2270 mm |
| Fuel Tank Capacity | 43 L | 80 L |
