1971 Citroen GS vs. 1985 Porsche 911
To start off, 1985 Porsche 911 is newer by 14 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 3,164 cc (6 cylinders), 1985 Porsche 911 is equipped with a bigger engine. In terms of performance, 1985 Porsche 911 (228 HP @ 5900 RPM) has 173 more horse power than 1971 Citroen GS. (55 HP @ 6500 RPM) In normal driving conditions, 1985 Porsche 911 should accelerate faster than 1971 Citroen GS. With that said, vehicle weight also plays an important factor in acceleration. 1985 Porsche 911 weights approximately 320 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.
Because 1985 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 1985 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 1971 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, 1985 Porsche 911 (286 Nm @ 4800 RPM) has 214 more torque (in Nm) than 1971 Citroen GS. (72 Nm @ 3500 RPM). This means 1985 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1971 Citroen GS.
Compare all specifications:
| 1971 Citroen GS | 1985 Porsche 911 | |
| Make | Citroen | Porsche |
| Model | GS | 911 |
| Year Released | 1971 | 1985 |
| Engine Position | Front | Rear |
| Engine Size | 1015 cc | 3164 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | boxer | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 55 HP | 228 HP |
| Engine RPM | 6500 RPM | 5900 RPM |
| Torque | 72 Nm | 286 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Engine Bore Size | 74 mm | 95 mm |
| Engine Stroke Size | 59 mm | 74.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 890 kg | 1210 kg |
| Vehicle Length | 4130 mm | 4300 mm |
| Vehicle Width | 1620 mm | 1660 mm |
| Vehicle Height | 1360 mm | 1330 mm |
| Wheelbase Size | 2560 mm | 2280 mm |
| Fuel Tank Capacity | 43 L | 80 L |
