2007 Citroen C4 vs. 2005 Kia Optima
To start off, 2007 Citroen C4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Kia Optima. In addition, the cost of maintenance, including insurance, on 2005 Kia Optima would be higher. At 2,360 cc (4 cylinders), 2005 Kia Optima is equipped with a bigger engine. In terms of performance, 2005 Kia Optima (138 HP @ 4000 RPM) has 51 more horse power than 2007 Citroen C4. (87 HP @ 5250 RPM) In normal driving conditions, 2005 Kia Optima should accelerate faster than 2007 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Kia Optima weights approximately 241 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Kia Optima (199 Nm) has 66 more torque (in Nm) than 2007 Citroen C4. (133 Nm). This means 2005 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C4.
Compare all specifications:
| 2007 Citroen C4 | 2005 Kia Optima | |
| Make | Citroen | Kia |
| Model | C4 | Optima |
| Year Released | 2007 | 2005 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1360 cc | 2360 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 87 HP | 138 HP |
| Engine RPM | 5250 RPM | 4000 RPM |
| Torque | 133 Nm | 199 Nm |
| Engine Compression Ratio | 11.2:1 | 10.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1256 kg | 1497 kg |
| Vehicle Length | 4270 mm | 4730 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2610 mm | 2620 mm |
| Fuel Consumption Overall | 6.4 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 60 L | 65 L |
