2005 Citroen C5 vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 4 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 3,599 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (473 HP @ 6000 RPM) has 335 more horse power than 2005 Citroen C5. (138 HP @ 6000 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2005 Citroen C5. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 28 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 2009 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, 2009 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, 2009 Porsche 911 (620 Nm @ 2700 RPM) has 420 more torque (in Nm) than 2005 Citroen C5. (200 Nm @ 4000 RPM). This means 2009 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 | 2009 Porsche 911 | |
| Make | Citroen | Porsche |
| Model | C5 | 911 |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1995 cc | 3599 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 138 HP | 473 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 200 Nm | 620 Nm |
| Torque RPM | 4000 RPM | 2700 RPM |
| Engine Bore Size | 85 mm | 100 mm |
| Engine Stroke Size | 88 mm | 76.4 mm |
| Engine Compression Ratio | 11.0:1 | 9.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 205 km/hour | 310 km/hour |
| Acceleration 0-100mph | 10.6 seconds | 4.2 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1502 kg | 1530 kg |
| Vehicle Length | 4850 mm | 4440 mm |
| Vehicle Width | 1790 mm | 1300 mm |
| Vehicle Height | 1560 mm | 1840 mm |
| Wheelbase Size | 2760 mm | 2360 mm |
| Fuel Consumption Overall | 8 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 66 L | 64 L |
