Mazda CX-3 4WD MPG and Fuel Economy
Mazda have been manufacturing models of CX-3 4WD for 6 years, with the latest vehicle in 2021 having a combined MPG of 29.
The estimated fuel cost for the 2021 Mazda CX-3 4WD is $2,150 per year.
Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
💵 Compared to an average vehicle over 5 years, you will save $750 on fuel driving a 2021 Mazda CX-3 4WD.
🛢 The Mazda CX-3 4WD will consume roughly 10 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Mazda CX-3 4WD will emit 303 grams of CO2, which is about 4,545,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 217 trees would be needed to offset emissions from the Mazda CX-3 4WD.
The table below is a complete list of the 6 Mazda CX-3 4WD fuel efficiency specifications we have data for.
Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 2021 Mazda CX-3 4WD | 29 | $2,150 |
| 2020 Mazda CX-3 4WD | 29 | $2,150 |
| 2019 Mazda CX-3 4WD | 29 | $2,150 |
| 2018 Mazda CX-3 4WD | 29 | $2,150 |
| 2017 Mazda CX-3 4WD | 29 | $2,150 |
| 2016 Mazda CX-3 4WD | 29 | $2,150 |
Link To or Reference This Page
If you use this page in your research, please reference MPG Buddy as the source.
<a href="https://mpgbuddy.com/cars/mazda/cx-3-4wd">Mazda CX-3 4WD MPG and Fuel Economy</a>
"Mazda CX-3 4WD MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/mazda/cx-3-4wd.
"Mazda CX-3 4WD MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mazda/cx-3-4wd. Accessed January 3, 2026.
Mazda CX-3 4WD MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mazda/cx-3-4wd.