|Born||20 June 1979|
|World Rally Championship record|
|First rally||2003 Monte Carlo Rally|
|Last rally||2019 Rally Sweden|
Kuldar Sikk began his co-driver in 1998, co-driving for several drivers. In the 2003 Monte Carlo Rally, he made his WRC debut in a Suzuki Ignis S1600. The rally also marks the beginning of the partnership with Urmo Aava.
From 2010, Sikk became the co-driver of the rising star Ott Tänak. Two years later, in the 2012 Rally Sweden, the Estonian crew took their first stage win on SS14. Another five rounds later, Sikk achieved his first and only WRC podium finish.
- "Rallisõitja Kuldar Sikk naudib visaduse vilju". Postimees (in Estonian). 8 June 2007. Retrieved 18 December 2018.
- "Kuldar Sikk". e-wrc.com. Retrieved 17 October 2018.
- "FIA Production Car World Rally Championship: Final List of Entrants". fia.com. Fédération Internationale de l'Automobile. 14 April 2010. Archived from the original on 17 April 2010. Retrieved 20 April 2010.
- "Tanak takes first stage win". World Rally Championship. International Sportsworld Communicators. 11 February 2012. Retrieved 11 February 2012.
- "Sebastien Ogier defeats Andreas Mikkelsen to win". Autosport. Haymarket Publications. 5 July 2015. Retrieved 14 August 2015.
- Юрий Протасов меняет штурмана [Yuriy Protasov changes co-driver]. Rally.ua (in Russian). 9 January 2013. Archived from the original on 12 January 2013. Retrieved 9 January 2013.
- "Rally Sweden Entry List". rallysweden.com. Rally Sweden. 20 January 2018. Retrieved 20 January 2018.
|Wikimedia Commons has media related to Kuldar Sikk.|
- Kuldar Sikk's e-wrc profile