Mazda CX-3 MPG by year — every rating on record
The Mazda CX-3 has a combined EPA fuel economy rating for 6 model years, from 2016 to 2021. Across those years its best rated version returned 31 mpg (2016) and its thirstiest returned 29 mpg (2016). The EPA record holds 12 configurations for this nameplate, most recently a Compact Cars.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2016 | 2 | 31 mpg | 29 mpg | #26 of 108 (77th pct) | Front-Wheel Drive, 4-Wheel Drive | Regular | Compact Cars |
| 2017 | 2 | 31 mpg | 29 mpg | #28 of 100 (73th pct) | Front-Wheel Drive, 4-Wheel Drive | Regular | Compact Cars |
| 2018 | 2 | 31 mpg | 29 mpg | #25 of 95 (74th pct) | Front-Wheel Drive, 4-Wheel Drive | Regular | Compact Cars |
| 2019 | 2 | 31 mpg | 29 mpg | #21 of 86 (76th pct) | Front-Wheel Drive, 4-Wheel Drive | Regular | Compact Cars |
| 2020 | 2 | 31 mpg | 29 mpg | #19 of 79 (77th pct) | Front-Wheel Drive, 4-Wheel Drive | Regular | Compact Cars |
| 2021 | 2 | 31 mpg | 29 mpg | #24 of 79 (71th pct) | Front-Wheel Drive, 4-Wheel Drive | Regular | Compact Cars |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Mazda CX-3 placed highest in 2020 at #19 of 79, and lowest in 2017 at #28 of 100. It spent 6 of its 6 ranked years in the top half of its class.
Every configuration on record
All 12 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | 2.0L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI | 27 | 32 | 29 | 396.6 | 10.3 | $2,150 | 303 | 6/10 |
| 2021 | 2.0L 4-cyl Front-Wheel Drive Automatic (S6) Regular | SIDI | 29 | 34 | 31 | 371.0 | 9.6 | $2,000 | 289 | 7/10 |
| 2020 | 2.0L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI | 27 | 32 | 29 | 396.6 | 10.3 | $2,150 | 303 | 6/10 |
| 2020 | 2.0L 4-cyl Front-Wheel Drive Automatic (S6) Regular | SIDI | 29 | 34 | 31 | 371.0 | 9.6 | $2,000 | 289 | 7/10 |
| 2019 | 2.0L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI | 27 | 32 | 29 | 396.6 | 10.3 | $2,150 | 303 | 6/10 |
| 2019 | 2.0L 4-cyl Front-Wheel Drive Automatic (S6) Regular | SIDI | 29 | 34 | 31 | 371.0 | 9.6 | $2,000 | 289 | 7/10 |
| 2018 | 2.0L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI | 27 | 32 | 29 | 396.6 | 10.3 | $2,150 | 308 | 6/10 |
| 2018 | 2.0L 4-cyl Front-Wheel Drive Automatic (S6) Regular | SIDI | 29 | 34 | 31 | 371.0 | 9.6 | $2,000 | 290 | 7/10 |
| 2017 | 2.0L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI | 27 | 32 | 29 | 396.6 | 10.3 | $2,150 | 308 | 7/10 |
| 2017 | 2.0L 4-cyl Front-Wheel Drive Automatic (S6) Regular | SIDI | 29 | 34 | 31 | 371.0 | 9.6 | $2,000 | 288 | 7/10 |
| 2016 | 2.0L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI | 27 | 32 | 29 | 396.6 | 10.3 | $2,150 | 308 | 7/10 |
| 2016 | 2.0L 4-cyl Front-Wheel Drive Automatic (S6) Regular | SIDI | 29 | 35 | 31 | 371.0 | 9.6 | $2,000 | 290 | 7/10 |
What CX-3 fuel costs over a year
At the EPA's 11,500 miles a year, the 2021 Mazda CX-3 burns 371 to 397 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.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $1,113 | $1,190 | $77 |
| $3.50/gal | $1,298 | $1,388 | $90 |
| $4.00/gal | $1,484 | $1,586 | $102 |
EPA’s own estimate for the 2021 model year is $2,000 to $2,150 a year in fuel, or $1,250 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 31 mpg the Mazda CX-3 is 5 mpg better the median, which is worth about $250 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.