While not a commercial hit, a dedicated racing version, the 21 GTO (and other GT variants), did achieve success on the track, including winning its class in the Belcar 24hr race, beating Lotus Elises in that category. Caterham 21 By Brian Snelson - originally posted to Flickr as Caterham 21, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=6447455