Mazda 6 MPG by year — every rating on record

The Mazda 6 has a combined EPA fuel economy rating for 19 model years, from 2003 to 2021. Across those years its best rated version returned 32 mpg (2014) and its thirstiest returned 19 mpg (2004). The EPA record holds 63 configurations for this nameplate, most recently a Midsize 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 6 placed highest in 2003 at #2 of 46, and lowest in 2019 at #58 of 127. It spent 18 of its 19 ranked years in the top half of its class.

Every configuration on record

All 63 configurations EPA lists for this nameplate, newest first.

How the rating has moved between model years

Comparing the best-rated configuration of each year. 3 of 7 year-over-year steps improved the top rating.

What 6 fuel costs over a year

At the EPA's 11,500 miles a year, the 2021 Mazda 6 burns 397 to 442 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 2021 model year is $2,150 to $2,400 a year in fuel, or $500 less than the average new vehicle over five years.

How it compares with other Midsize Cars

Across the 483 nameplates EPA classifies as Midsize Cars, the median best combined rating is 25 mpg. At 29 mpg the Mazda 6 is 4 mpg better the median, which is worth about $222 a year at $3.50 a gallon.

• All Midsize 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.