2005 Citroen C5 vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Citroen C5. In addition, the cost of maintenance, including insurance, on 2005 Citroen C5 would be higher. At 3,824 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (350 HP @ 6600 RPM) has 212 more horse power than 2005 Citroen C5. (138 HP @ 6000 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 2005 Citroen C5. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche 911 weights approximately 66 kg more than 2005 Citroen C5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Citroen C5. In wet, icy, snow, or gravel driving conditions, 2007 Porsche 911 will offer significantly more control. 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 Porsche 911 (400 Nm @ 4600 RPM) has 200 more torque (in Nm) than 2005 Citroen C5. (200 Nm @ 4000 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Citroen C5.
Compare all specifications:
| 2005 Citroen C5 | 2007 Porsche 911 | |
| Make | Citroen | Porsche |
| Model | C5 | 911 |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1997 cc | 3824 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 350 HP |
| Engine RPM | 6000 RPM | 6600 RPM |
| Torque | 200 Nm | 400 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Engine Bore Size | 85.1 mm | 99 mm |
| Engine Stroke Size | 88 mm | 82.8 mm |
| Engine Compression Ratio | 11.0:1 | 11.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 10.1 seconds | 4.9 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1469 kg | 1535 kg |
| Vehicle Length | 4750 mm | 4440 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1480 mm | 1310 mm |
| Wheelbase Size | 2760 mm | 2360 mm |
| Fuel Consumption Overall | 8.9 L/100km | 12 L/100km |
| Fuel Tank Capacity | 66 L | 67 L |
