2021 Honda Civic vs 2021 Mazda3

2021 Honda Civic vs. 2021 Mazda3

2021 Honda Civic


2021 Mazda3

Up to 32*

EPA-Estimated City MPG

Up to 28
Up to 42*

EPA-Estimated Highway MPG

Up to 36
97.8 Cubic Feet

Passenger Space

92.8 Cubic Feet
15.1 Cubic Feet

Cargo Space

13.2 Cubic Feet

Multi-Angle Rearview Camera

Not Available

Road Departure Mitigation System (RDM)

Not Available

The compact sedan segment is packed with models able to deliver a blend of sporty driving dynamics and top-tier technology, but we’ve found most drivers end up comparing 2021 Honda Civic vs. 2021 Mazda3. Both vehicles have similar priorities when it comes to power and performance, but the former edges ahead by offering superior efficiency and dimensions. To see what we mean, read on to match Civic vs. Mazda3:

  • Industry Rankings
  • MPG Ratings
  • Dimensions


  • Kelley Blue Book’s Best Small Cars for 2021: The 2021 Honda Civic came in 2nd while the 2021 Mazda3 came in 7th.
  • Car and Driver’s Compact Car Ratings: The 2021 Honda Civic came in 1st while the 2021 Mazda3 came in 9th.
  • Edmund’s Best Compact Cars of 2021 and 2022: The 2021 Honda Civic came in 1st while the 2021 Mazda3 came in 4th.

We’re not saying industry ratings are everything, but you can’t ignore the propensity of seasoned experts to place the 2021 Honda Civic higher than the 2021 Mazda3.

Civic vs. Mazda3: MPG Ratings

While each model offers compelling engine specs, the Civic does a whole lot better when you turn to efficiency.

  • 2021 Honda Civic PeakMPG: Up to an EPA-estimated 32 mpg in the city and 42 mpg on the highway with the Honda Civic 1.5L CVT*
  • 2021 Mazda3 Peak MPG: Up to an EPA-estimated 28 mpg in the city and 36 mpg on the highway with the Mazda3 2.0

Civic vs. Mazda3: Cabin Space

The Honda Civic offers up to 15.1 cubic feet of trunk space vs. just 13.2 in the Mazda3, and that doesn’t come at the cost of passenger space. With up to 97.8 cubic feet in the Honda Civic vs. 92.8 in the Mazda3, there’s significantly more room to stretch out and relax. For example, here’s how that difference impacts you and your front passenger:

  • Front Headroom: Up to 39.3 inches in the Civic vs 38.0 in the Mazda3.
  • Front Shoulder Room: Up to 57.0 inches in the Civic vs 55.7 in the Mazda.

The 2021 Honda Civic is Unrivalled in the Compact Sedan Segment

It’s hard to take any other compact sedan seriously after comparing it against the 2021 Honda Civic, which you can find now alongside several tempting new vehicle specials at Tower Honda of Longview. Feel free to contact us today if you’d like to find out more.


*Based on 2019 EPA mileage ratings. Use for comparison purposes only. Your mileage will vary depending on how you drive and maintain your vehicle, driving conditions and other factors.

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