Market overview: Which Mazda models are currently the most popular on the used car market? AutoUncle has analysed 7,502 used Mazda cars that are currently for sale at 44 dealerships. The three most popular Mazda models as used cars are: 2, CX-5, 3. Prices start at around £2,475, and the average price for a Mazda on today’s used car market is £15,178.