2009 Citroen C5 vs. 1977 Porsche 911
To start off, 2009 Citroen C5 is newer by 32 year(s). Which means there will be less support and parts availability for 1977 Porsche 911. In addition, the cost of maintenance, including insurance, on 1977 Porsche 911 would be higher. At 2,994 cc (6 cylinders), 1977 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Citroen C5 (204 HP @ 6000 RPM) has 4 more horse power than 1977 Porsche 911. (200 HP @ 6000 RPM). In normal driving conditions, 2009 Citroen C5 should accelerate faster than 1977 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C5 weights approximately 395 kg more than 1977 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1977 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 1977 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2009 Citroen C5, 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, 2009 Citroen C5 (285 Nm @ 3750 RPM) has 25 more torque (in Nm) than 1977 Porsche 911. (260 Nm @ 4200 RPM). This means 2009 Citroen C5 will have an easier job in driving up hills or pulling heavy equipment than 1977 Porsche 911.
Compare all specifications:
| 2009 Citroen C5 | 1977 Porsche 911 | |
| Make | Citroen | Porsche |
| Model | C5 | 911 |
| Year Released | 2009 | 1977 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2946 cc | 2994 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 204 HP | 200 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 285 Nm | 260 Nm |
| Torque RPM | 3750 RPM | 4200 RPM |
| Engine Bore Size | 87 mm | 95 mm |
| Engine Stroke Size | 82.6 mm | 70.4 mm |
| Engine Compression Ratio | 11.0:1 | 8.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1555 kg | 1160 kg |
| Vehicle Length | 4620 mm | 4300 mm |
| Vehicle Width | 1780 mm | 1660 mm |
| Vehicle Height | 1480 mm | 1330 mm |
| Wheelbase Size | 2760 mm | 2280 mm |
| Fuel Tank Capacity | 66 L | 79 L |
