The World Rally Championship Manufacturers' Championship (WMC) is awarded by the FIA to the most successful WRC constructor over a season, as determined by a point system based on rally results. The WRC was formed from well-known and popular international rallies, most of which had previously been part of the European Rally Championship and/or the International Championship for Manufacturers; the series was first contested in 1973. The first official rallying Constructors' Champion was Alpine-Renault. On seventeen occasions has the World Constructors' Champion team not contained the World Drivers' Champion for a given season.
In the 45 seasons the Championship has been awarded, only 12 different constructors have won it; Lancia being the most successful, with 10 titles including 6 consecutive from 1987 to 1992. Only six countries have produced winning constructors: France (3), Japan (3), Italy (2), the United Kingdom (2), Germany (2) and the United States (1).
|Podiums||The number of times the champion finished in the top three in a rally|
|Margin||The margin of points by which the champion defeated the runner-up(s)|
|Lancia||10||1974, 1975, 1976, 1983, 1987, 1988, 1989, 1990, 1991, 1992|
|Citroën||8||2003, 2004, 2005, 2008, 2009, 2010, 2011, 2012|
|Peugeot||5||1985, 1986, 2000, 2001, 2002|
|Volkswagen||4||2013, 2014, 2015, 2016|
|/ Ford2||1979, 2006, 2007, 20173|
|Toyota||1993, 1994, 1999, 2018|
|Fiat||3||1977, 1978, 1980|
|Subaru||1995, 1996, 1997|
- ^ * Manufacturers who also won the Drivers' championship.
- ^ 1 On behalf of Chrysler, in 1978 Lotus modified the car Chrysler Sunbeam, and the model was produced in Linwood of Scotland
- ^ 2 Ford competed from 1973–1985 with a U.S. racing license, and has competed since 1986 with a British racing licence.
- ^ 3 M-Sport not the official Ford World Rally Team.
- "FIA World Championship for Manufacturers". World Rally Championship. Retrieved 18 November 2012.
- RallyBase.nl — result database;
- eWRC-results.com — complex and up-to-date results database; (in Czech)
- juwra.com – World Rally Archive — database and statistics;