Mazda 3 4-Door MPG by year — every rating on record

The Mazda 3 4-Door has a combined EPA fuel economy rating for 13 model years, from 2014 to 2026. Across those years its best rated version returned 33 mpg (2014) and its thirstiest returned 27 mpg (2021). The EPA record holds 52 configurations for this nameplate, most recently a Compact Cars.

Year-by-year EPA ratings

Where it has stood in its class

Ranked against every other nameplate the EPA filed under the same class that year. The Mazda 3 4-Door placed highest in 2014 at #15 of 96, and lowest in 2026 at #56 of 79. It spent 11 of its 13 ranked years in the top half of its class.

Every configuration on record

All 52 configurations EPA lists for this nameplate, newest first.

How the rating has moved between model years

Comparing the best-rated configuration of each year. 1 of 5 year-over-year steps improved the top rating.

What 3 4-Door fuel costs over a year

At the EPA's 11,500 miles a year, the 2026 Mazda 3 4-Door burns 383 to 426 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.

EPA’s own estimate for the 2026 model year is $2,100 to $2,300 a year in fuel, or $750 less than the average new vehicle over five years.

How it compares with other Compact Cars

Across the 498 nameplates EPA classifies as Compact Cars, the median best combined rating is 26 mpg. At 30 mpg the Mazda 3 4-Door is 4 mpg better the median, which is worth about $206 a year at $3.50 a gallon.

• All Compact Cars rankings — every nameplate in the class, best to worst.

Other Mazda nameplates

Every Mazda model compared → — all nameplates ranked by best combined rating, with what each one costs a year.