Top 10 Best-selling Cars in Canada in 2017 Published on December 22, 2017 in Top 10 by Michel Deslauriers Photo: Mazda 4- Mazda3Having received some improvements for 2017, the Mazda3 keeps its fourth place in this list after dropping one spot after the first half of the year. Still available in sedan and five-door hatchback body styles, the Mazda3 should soon benefit from a major redesign and a new engine technology called SKYACTIV-X. Sales: 27,862 units