2024 Mazda 3 Mpg Comparison. These estimates are a bit below average for. Mazda3 sedans equipped with the base engine return 28 mpg in the city and 37 mpg on the highway.

Available in three trim levels, s, sv, and sr, the new. It’s rated by the epa at an impressive 31 mpg city/41 mpg highway/35 mpg combined with an automatic transmission.