2018 Mazda CX-3 2WD MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2018 Mazda CX-3 2WD.

The 2018 Mazda CX-3 2WD runs on regular gasoline and is in the Compact Cars car class.

Whether you are considering a purchase of the car, or just wanting to find out how economical and environmentally friendly (or un-friendly) your 2018 Mazda CX-3 2WD is, we have the information you need.

🛣 How Many Miles per Gallon (MPG) Does a 2018 Mazda CX-3 2WD Get?

First off, the most commonly asked question. A 2018 Mazda CX-3 2WD gets up to 29 miles per gallon in the city, and 34 miles per gallon on the highway.

The combined average MPG for the 2018 Mazda CX-3 2WD is 31 miles per gallon.

💵 What is the Average Yearly Fuel Cost for a 2018 Mazda CX-3 2WD?

The estimated fuel costs for the 2018 Mazda CX-3 2WD is $2,000 per year.

That value has been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

If you were to compare a 2018 Mazda CX-3 2WD to an average vehicle over 5 years, you will save $1,500 on fuel.

🛢 How Many Barrels of Petroleum Does a 2018 Mazda CX-3 2WD Consume?

The 2018 Mazda CX-3 2WD will consume roughly 10 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.

💨 How Many Grams of CO2 Does a 2018 Mazda CX-3 2WD Emit?

For every mile driven, the 2018 Mazda CX-3 2WD will emit 290 grams of CO2, which is about 4,350,000 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 148 trees would be needed to offset emissions from the 2018 Mazda CX-3 2WD.


The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2018 Mazda CX-3 2WD.

City MPG 29
Highway MPG 34
Combined MPG 31
Save/Spend vs Average Car Save 1,500
Fuel Cost $2,000
Fuel Type 1 Regular
Barrels of Petroleum 10
Grams of CO2 4,350,000
Trees Needed to Offset 207
Drive Front-Wheel Drive
Cylinders 4
Transmission Automatic (S6)
Vehicle Class Compact Cars
Start/Stop? No
Supercharged? No
Turbocharged? No

Related Mazda Models from 2018

If you're interested in other Mazda models from 2018, you can find them in the table below. You can click the model link to find miles per gallon and emission information for that model.

Model Combined MPG
3 4-Door 30
3 5-Door 28
6 27
CX-3 4WD 29
3 5-Door 30
CX-9 2WD 24
MX-5 29
3 4-Door 31
3 4-Door 29
CX-9 4WD 23
CX-5 2WD 29
2 34
MX-5 29
CX-5 4WD 28
CX-5 4WD 26
CX-5 2WD 28
3 5-Door 31
3 5-Door 32
6 29
3 4-Door 31


Ratings were provided by the manufacturer to the U.S. Department of Energy, which is where we sourced the data. Be advised that manufacturers may have upgraded, downgraded, or changed these ratings following the compilation of this data.

MPG Buddy does not guarantee the accuracy of this data, nor are we liable for any decisions made by referencing this data. Make sure to contact the specific car manufacturer to confirm accuracy.

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  • "2018 Mazda CX-3 2WD MPG and Fuel Economy". MPG Buddy. Accessed on August 14, 2022. http://mpgbuddy.com/cars/mazda/cx-3-2wd/2018.

  • "2018 Mazda CX-3 2WD MPG and Fuel Economy". MPG Buddy, http://mpgbuddy.com/cars/mazda/cx-3-2wd/2018. Accessed 14 August, 2022

  • 2018 Mazda CX-3 2WD MPG and Fuel Economy. MPG Buddy. Retrieved from http://mpgbuddy.com/cars/mazda/cx-3-2wd/2018.