2007 Citroen C4 vs. 2005 Porsche 911
To start off, 2007 Citroen C4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 3,605 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (444 HP @ 5700 RPM) has 336 more horse power than 2007 Citroen C4. (108 HP @ 5800 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2007 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 385 kg more than 2007 Citroen C4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Citroen C4. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Porsche 911 (620 Nm @ 3500 RPM) has 473 more torque (in Nm) than 2007 Citroen C4. (147 Nm @ 4000 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C4.
Compare all specifications:
| 2007 Citroen C4 | 2005 Porsche 911 | |
| Make | Citroen | Porsche |
| Model | C4 | 911 |
| Year Released | 2007 | 2005 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1587 cc | 3605 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 444 HP |
| Engine RPM | 5800 RPM | 5700 RPM |
| Torque | 147 Nm | 620 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 78.5 mm | 100 mm |
| Engine Stroke Size | 82 mm | 76 mm |
| Engine Compression Ratio | 11.0:1 | 9.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 194 km/hour | 307 km/hour |
| Acceleration 0-100mph | 11.9 seconds | 4.6 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1275 kg | 1660 kg |
| Vehicle Length | 4270 mm | 4440 mm |
| Vehicle Width | 1780 mm | 1840 mm |
| Vehicle Height | 1460 mm | 1300 mm |
| Wheelbase Size | 2610 mm | 2360 mm |
| Fuel Consumption Overall | 7.1 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 60 L | 63 L |
