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C4 WRC was introduced to Championship in 2007 as a successor to legendary Citroen Xsara. It had first been announced and presented to press as early as 2004 and developed with patience, most importantly during Citroen's 2006 sabbatical from the WRC. Indeed it was no surprise that in the capable hands of Sebastien Loeb, C4 WRC won it's first rally, the 2007 Monte Carlo.
C4 WRC, even though it looks smaller than Xsara, actually is over ten centimeters longers and thus able to use full 1800mm width permitted by the rules for cars over 4.2 meters long. Increased length meant also little longer wheelbase. Car used same suspension as Xsara but with increased dimensions, car's footprint increased correspondingly and drivers immediately reported that it was more stable car to drive on speed.
On mechanical side, engine is same XU7JP4 derivative that was used in Xsara, light aluminium block construction but tilted only 25 degrees backwards (as opposed to 30 degree tilt in Xsara). Aerodynamically the most striking feature on otherwise quite bland car is the rear spoiler. It is has two separate lips, larger one mounted higher and smaller below it on par with car's actual roof line.
In line with Citroen policy, they did not announce evolution versions of the car, preferring instead to quietly update the homologation over time.
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| Debut WRC event: | Monte Carlo 2007 |
| Best WRC result: | 1st by Sebastien Loeb in Monte Carlo 2007
1st by Sebastien Loeb in Mexico 2007
1st by Sebastien Loeb in Portugal 2007
1st by Sebastien Loeb in Argentina 2007
1st by Sebastien Loeb in Deutschland 2007
1st by Sebastien Loeb in Catalunya 2007
1st by Sebastien Loeb in Corsica 2007
1st by Sebastien Loeb in Ireland 2007
1st by Sebastien Loeb in Monte Carlo 2008
1st by Sebastien Loeb in Mexico 2008
1st by Sebastien Loeb in Argentina 2008
1st by Sebastien Loeb in Sardinia 2008
1st by Sebastien Loeb in Acropolis 2008
1st by Sebastien Loeb in Finland 2008
1st by Sebastien Loeb in Deutschland 2008
1st by Sebastien Loeb in New Zealand 2008
1st by Sebastien Loeb in Catalunya 2008
1st by Sebastien Loeb in Corsica 2008
1st by Sebastien Loeb in Great Britain 2008
1st by Sebastien Loeb in Ireland 2009
1st by Sebastien Loeb in Norway 2009
1st by Sebastien Loeb in Cyprus 2009
1st by Sebastien Loeb in Portugal 2009
1st by Sebastien Loeb in Argentina 2009
1st by Sebastien Loeb in Catalunya 2009
1st by Sebastien Loeb in Great Britain 2009
1st by Sebastien Loeb in Mexico 2010
1st by Sebastien Loeb in Jordan 2010
1st by Sebastien Loeb in Turkey 2010
1st by Sebastien Ogier in Portugal 2010
1st by Sebastien Loeb in Bulgaria 2010
1st by Sebastien Loeb in Deutschland 2010
1st by Sebastien Ogier in Japan 2010
1st by Sebastien Loeb in Alsace 2010
1st by Sebastien Loeb in Catalunya 2010
1st by Sebastien Loeb in Great Britain 2010 |
| Rallies contested: | 56 | (works entries) |
| WRC starts: | 112 | (works entries) |
| Outright wins: | 36 | (wins to rallies ratio 64.3%) |
| Podiums: | 87 | (podiums to starts ratio 77.7%) |
| DNF's: | 10 | (DNF's to starts ratio 8.9 %) |
| Points scored: | 1261 | (manufacturer championship points) |
| Avg points per rally: | 22.5 | |
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| Group and class | World Rally Car |
| Engine |
| Location: | Front transverse |
| Turbo: | Yes |
| Cylinders: | 4 in line |
| Valves: | 16 |
| Bore x stroke: | 85.0 x 88.0 mm |
| Cubic capacity: | 1998 cc |
| Power: | 315 hp |
| Torque: | 568 Nm |
| Dimensions |
| Length: | 4274 mm |
| Width: | 1800 mm |
| Wheelbase: | 2608 mm |
| Front track: | 1598 mm |
| Rear track: | 1598 mm |
| Weight: | 1230 kg |
| Transmission |
| Drive: | 4WD |
| Gearbox: | Transverse |
| Gears: | 6 |
| Sequential: | Yes |
| Clutch plates: | 3 |
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Citroen C4 WRC
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Final specification C4 WRC - driven by Loeb in 2010 Rally Deutschland
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Detail of C4's rear wing - larger upper one with Gurney flap curvature at the rear and smaller one mounted below it.
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