2009 Citroen C4 vs. 2007 Porsche 911
To start off, 2009 Citroen C4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Porsche 911. In addition, the cost of maintenance, including insurance, on 2007 Porsche 911 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) has 242 more horse power than 2009 Citroen C4. (108 HP) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 2009 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche 911 weights approximately 242 kg more than 2009 Citroen C4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 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 2007 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 2009 Citroen C4, 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, 2007 Porsche 911 (400 Nm @ 4600 RPM) has 253 more torque (in Nm) than 2009 Citroen C4. (147 Nm @ 4000 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 Citroen C4.
Compare all specifications:
| 2009 Citroen C4 | 2007 Porsche 911 | |
| Make | Citroen | Porsche |
| Model | C4 | 911 |
| Year Released | 2009 | 2007 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1587 cc | 3824 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 350 HP |
| Torque | 147 Nm | 400 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Engine Bore Size | 78.1 mm | 99 mm |
| Engine Stroke Size | 82 mm | 82.8 mm |
| Engine Compression Ratio | 11.0:1 | 11.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 10.6 seconds | 4.9 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1263 kg | 1505 kg |
| Vehicle Length | 4270 mm | 4430 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1460 mm | 1310 mm |
| Wheelbase Size | 2610 mm | 2360 mm |
| Fuel Consumption Overall | 7.1 L/100km | 11.6 L/100km |
| Fuel Tank Capacity | 60 L | 64 L |
