2008 Citroen C4 vs. 2006 Kia Optima
To start off, 2008 Citroen C4 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Kia Optima. In addition, the cost of maintenance, including insurance, on 2006 Kia Optima would be higher. At 2,671 cc (6 cylinders), 2006 Kia Optima is equipped with a bigger engine. In terms of performance, 2006 Kia Optima (170 HP @ 6000 RPM) has 32 more horse power than 2008 Citroen C4. (138 HP @ 6000 RPM) In normal driving conditions, 2006 Kia Optima should accelerate faster than 2008 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Citroen C4 weights approximately 148 kg more than 2006 Kia Optima.
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, 2006 Kia Optima (245 Nm @ 4000 RPM) has 45 more torque (in Nm) than 2008 Citroen C4. (200 Nm @ 4000 RPM). This means 2006 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2008 Citroen C4.
Compare all specifications:
| 2008 Citroen C4 | 2006 Kia Optima | |
| Make | Citroen | Kia |
| Model | C4 | Optima |
| Year Released | 2008 | 2006 |
| Body Type | Minivan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2671 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 170 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 200 Nm | 245 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 85 mm | 86.8 mm |
| Engine Stroke Size | 88 mm | 75 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1635 kg | 1487 kg |
| Vehicle Length | 4590 mm | 4730 mm |
| Vehicle Width | 1840 mm | 1820 mm |
| Vehicle Height | 1630 mm | 1420 mm |
| Wheelbase Size | 2730 mm | 2710 mm |
| Fuel Consumption Overall | 8 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 60 L | 65 L |
