For all "2004-2009 Citroën C4 Coupé Série 1", class is "Class: Cars, Coupé".
https://www.imcdb.org/vehicles.php?resultsStyle=asImages&yearFrom=2004&yearTo=&makeMatch=- 2&make=citroen&modelMatch=0&model=Coup%C3%A9&modelInclExtra=on&mk=&origin=&madein=- &madefor=&role=
And for this:
https://www.imcdb.org/vehicle_1170513-Citro%C3%ABn-C4.html
https://www.imcdb.org/vehicle_1143250-Citro%C3%ABn-C4.html
https://www.imcdb.org/vehicle_1128810-Citro%C3%ABn-C4.html
https://www.imcdb.org/vehicle_1060002-Citro%C3%ABn-C4.html
https://www.imcdb.org/vehicle_1174177-Citro%C3%ABn-C4.html
https://www.imcdb.org/vehicle_1190138-Citro%C3%ABn-C4.html
https://www.imcdb.org/vehicle_1312542-Citro%C3%ABn-C4.html
https://www.imcdb.org/vehicle_1350587-Citro%C3%ABn-C4.html
https://www.imcdb.org/vehicle_1736735-Citro%C3%ABn-C4.html
https://www.imcdb.org/vehicle_1965580-Citro%C3%ABn-C4.html

Except this:
https://www.imcdb.org/vehicle_797075-Citro%C3%ABn-Xsara-N0-2005.html