The Chevrolet S-10 Blazer and the similar GMC S-15 Jimmy were mid-size SUVs from General Motors. Production began in 1983. The S-10 was produced through 2005. In the United States retail sales after 2004 were limited to two-door Blazer models. All other models were sold to fleets until April 20, 2005. In the Canadian market, four-door models of the Blazer and Jimmy were sold until the 2004 model year. They were sold until the 2005 model year for the two-door models of both.