Top 10 Top 10 Most Affordable Cars in 2021 by Guillaume Rivard February 18, 2021 Photo: Michel Deslauriers10. Mazda3 - $20,500 The Mazda3 is the cream of the crop when it comes to small cars. In fact, it won The Car Guide’s 2021 Best Buy award in the compact car segment. « PreviousNext » Share on Facebook Share: